Finding the Fourth Proportional to 570,499.52, 855,714.72 and 149,766.08

Step by Step Solution

1. Step 1: Write the proportion equation
   570,499.52 : 855,714.72 = 149,766.08 : x
2. Step 2: Convert to fraction form
   570,499.52/855,714.72 = 149,766.08/x
3. Step 3: Cross multiply
   570,499.52x = 855,714.72 × 149,766.08
4. Step 4: Simplify right side
   570,499.52x = 128,157,039,212.70
5. Step 5: Solve for x
   x = 128,157,039,212.70/570,499.52
6. Step 6: Final answer
   x = 224,640.05