Finding the Fourth Proportional to 149,836.32, 224,763.12 and 56,342.88

Step by Step Solution

1. Step 1: Write the proportion equation
   149,836.32 : 224,763.12 = 56,342.88 : x
2. Step 2: Convert to fraction form
   149,836.32/224,763.12 = 56,342.88/x
3. Step 3: Cross multiply
   149,836.32x = 224,763.12 × 56,342.88
4. Step 4: Simplify right side
   149,836.32x = 12,663,801,498.59
5. Step 5: Solve for x
   x = 12,663,801,498.59/149,836.32
6. Step 6: Final answer
   x = 84,517.57