Finding the Fourth Proportional to 162,870.56, 224,767.55 and 91,248.13

Step by Step Solution

1. Step 1: Write the proportion equation
   162,870.56 : 224,767.55 = 91,248.13 : x
2. Step 2: Convert to fraction form
   162,870.56/224,767.55 = 91,248.13/x
3. Step 3: Cross multiply
   162,870.56x = 224,767.55 × 91,248.13
4. Step 4: Simplify right side
   162,870.56x = 20,509,618,622.18
5. Step 5: Solve for x
   x = 20,509,618,622.18/162,870.56
6. Step 6: Final answer
   x = 125,925.88