Finding the Fourth Proportional to 151,552,905.34, 209,143,051.04 and 83,658,064.63

Step by Step Solution

1. Step 1: Write the proportion equation
   151,552,905.34 : 209,143,051.04 = 83,658,064.63 : x
2. Step 2: Convert to fraction form
   151,552,905.34/209,143,051.04 = 83,658,064.63/x
3. Step 3: Cross multiply
   151,552,905.34x = 209,143,051.04 × 83,658,064.63
4. Step 4: Simplify right side
   151,552,905.34x = 17,496,502,880,819,708
5. Step 5: Solve for x
   x = 17,496,502,880,819,708/151,552,905.34
6. Step 6: Final answer
   x = 115,448,152.19