Finding the Fourth Proportional to 1,014,336.31, 1,399,784.21 and 561,627.31

Step by Step Solution

1. Step 1: Write the proportion equation
   1,014,336.31 : 1,399,784.21 = 561,627.31 : x
2. Step 2: Convert to fraction form
   1,014,336.31/1,399,784.21 = 561,627.31/x
3. Step 3: Cross multiply
   1,014,336.31x = 1,399,784.21 × 561,627.31
4. Step 4: Simplify right side
   1,014,336.31x = 786,157,040,442.78
5. Step 5: Solve for x
   x = 786,157,040,442.78/1,014,336.31
6. Step 6: Final answer
   x = 775,045.74