Finding the Fourth Proportional to 563,404.52, 777,498.22 and 308,761.56

Step by Step Solution

1. Step 1: Write the proportion equation
   563,404.52 : 777,498.22 = 308,761.56 : x
2. Step 2: Convert to fraction form
   563,404.52/777,498.22 = 308,761.56/x
3. Step 3: Cross multiply
   563,404.52x = 777,498.22 × 308,761.56
4. Step 4: Simplify right side
   563,404.52x = 240,061,563,304.42
5. Step 5: Solve for x
   x = 240,061,563,304.42/563,404.52
6. Step 6: Final answer
   x = 426,090.94