Finding the Fourth Proportional to 137,173,288.58, 205,713,807.67 and 49,716,498.18

Step by Step Solution

1. Step 1: Write the proportion equation
   137,173,288.58 : 205,713,807.67 = 49,716,498.18 : x
2. Step 2: Convert to fraction form
   137,173,288.58/205,713,807.67 = 49,716,498.18/x
3. Step 3: Cross multiply
   137,173,288.58x = 205,713,807.67 × 49,716,498.18
4. Step 4: Simplify right side
   137,173,288.58x = 10,227,370,144,626,424
5. Step 5: Solve for x
   x = 10,227,370,144,626,424/137,173,288.58
6. Step 6: Final answer
   x = 74,558,029.85