Finding the Fourth Proportional to 99,550,053,960.06, 137,391,656,752.49 and 65,284,588,276.01

Step by Step Solution

1. Step 1: Write the proportion equation
   99,550,053,960.06 : 137,391,656,752.49 = 65,284,588,276.01 : x
2. Step 2: Convert to fraction form
   99,550,053,960.06/137,391,656,752.49 = 65,284,588,276.01/x
3. Step 3: Cross multiply
   99,550,053,960.06x = 137,391,656,752.49 × 65,284,588,276.01
4. Step 4: Simplify right side
   99,550,053,960.06x = 8,969,557,743,645,199,695,872
5. Step 5: Solve for x
   x = 8,969,557,743,645,199,695,872/99,550,053,960.06
6. Step 6: Final answer
   x = 90,100,983,242.50