Finding the Fourth Proportional to 156,112.13, 215,434.72 and 84,492.14

Step by Step Solution

1. Step 1: Write the proportion equation
   156,112.13 : 215,434.72 = 84,492.14 : x
2. Step 2: Convert to fraction form
   156,112.13/215,434.72 = 84,492.14/x
3. Step 3: Cross multiply
   156,112.13x = 215,434.72 × 84,492.14
4. Step 4: Simplify right side
   156,112.13x = 18,202,541,061.69
5. Step 5: Solve for x
   x = 18,202,541,061.69/156,112.13
6. Step 6: Final answer
   x = 116,599.15