Finding the Fourth Proportional to 656,385.61, 904,575.56 and 474,789.59

Step by Step Solution

1. Step 1: Write the proportion equation
   656,385.61 : 904,575.56 = 474,789.59 : x
2. Step 2: Convert to fraction form
   656,385.61/904,575.56 = 474,789.59/x
3. Step 3: Cross multiply
   656,385.61x = 904,575.56 × 474,789.59
4. Step 4: Simplify right side
   656,385.61x = 429,483,059,256.42
5. Step 5: Solve for x
   x = 429,483,059,256.42/656,385.61
6. Step 6: Final answer
   x = 654,315.17