Finding the Fourth Proportional to 952,840.78, 1,314,929.72 and 517,261.50

Step by Step Solution

1. Step 1: Write the proportion equation
   952,840.78 : 1,314,929.72 = 517,261.50 : x
2. Step 2: Convert to fraction form
   952,840.78/1,314,929.72 = 517,261.50/x
3. Step 3: Cross multiply
   952,840.78x = 1,314,929.72 × 517,261.50
4. Step 4: Simplify right side
   952,840.78x = 680,162,519,361.78
5. Step 5: Solve for x
   x = 680,162,519,361.78/952,840.78
6. Step 6: Final answer
   x = 713,826.00