Finding the Fourth Proportional to 162,695.04, 224,493.30 and 91,078.08

Step by Step Solution

1. Step 1: Write the proportion equation
   162,695.04 : 224,493.30 = 91,078.08 : x
2. Step 2: Convert to fraction form
   162,695.04/224,493.30 = 91,078.08/x
3. Step 3: Cross multiply
   162,695.04x = 224,493.30 × 91,078.08
4. Step 4: Simplify right side
   162,695.04x = 20,446,418,736.86
5. Step 5: Solve for x
   x = 20,446,418,736.86/162,695.04
6. Step 6: Final answer
   x = 125,673.28