Finding the Fourth Proportional to 131,061.47, 180,925.71 and 98,809.14

Step by Step Solution

1. Step 1: Write the proportion equation
   131,061.47 : 180,925.71 = 98,809.14 : x
2. Step 2: Convert to fraction form
   131,061.47/180,925.71 = 98,809.14/x
3. Step 3: Cross multiply
   131,061.47x = 180,925.71 × 98,809.14
4. Step 4: Simplify right side
   131,061.47x = 17,877,113,501.05
5. Step 5: Solve for x
   x = 17,877,113,501.05/131,061.47
6. Step 6: Final answer
   x = 136,402.52