Finding the Fourth Proportional to 910,061.58, 1,256,339.67 and 566,008.42

Step by Step Solution

1. Step 1: Write the proportion equation
   910,061.58 : 1,256,339.67 = 566,008.42 : x
2. Step 2: Convert to fraction form
   910,061.58/1,256,339.67 = 566,008.42/x
3. Step 3: Cross multiply
   910,061.58x = 1,256,339.67 × 566,008.42
4. Step 4: Simplify right side
   910,061.58x = 711,098,831,600.02
5. Step 5: Solve for x
   x = 711,098,831,600.02/910,061.58
6. Step 6: Final answer
   x = 781,374.41