Finding the Fourth Proportional to 162,892.51, 224,788.84 and 91,272.31

Step by Step Solution

1. Step 1: Write the proportion equation
   162,892.51 : 224,788.84 = 91,272.31 : x
2. Step 2: Convert to fraction form
   162,892.51/224,788.84 = 91,272.31/x
3. Step 3: Cross multiply
   162,892.51x = 224,788.84 × 91,272.31
4. Step 4: Simplify right side
   162,892.51x = 20,516,996,689.02
5. Step 5: Solve for x
   x = 20,516,996,689.02/162,892.51
6. Step 6: Final answer
   x = 125,954.21