Finding the Fourth Proportional to 151,399,081.59, 208,969,606.20 and 98,607,341.50

Step by Step Solution

1. Step 1: Write the proportion equation
   151,399,081.59 : 208,969,606.20 = 98,607,341.50 : x
2. Step 2: Convert to fraction form
   151,399,081.59/208,969,606.20 = 98,607,341.50/x
3. Step 3: Cross multiply
   151,399,081.59x = 208,969,606.20 × 98,607,341.50
4. Step 4: Simplify right side
   151,399,081.59x = 20,605,937,321,683,916
5. Step 5: Solve for x
   x = 20,605,937,321,683,916/151,399,081.59
6. Step 6: Final answer
   x = 136,103,449.94