Finding the Fourth Proportional to 149,720.16, 224,514.72 and 56,160.48

Step by Step Solution

1. Step 1: Write the proportion equation
   149,720.16 : 224,514.72 = 56,160.48 : x
2. Step 2: Convert to fraction form
   149,720.16/224,514.72 = 56,160.48/x
3. Step 3: Cross multiply
   149,720.16x = 224,514.72 × 56,160.48
4. Step 4: Simplify right side
   149,720.16x = 12,608,854,442.27
5. Step 5: Solve for x
   x = 12,608,854,442.27/149,720.16
6. Step 6: Final answer
   x = 84,216.14