Finding the Fourth Proportional to 768,892.32, 1,061,130 and 565,872.72

Step by Step Solution

1. Step 1: Write the proportion equation
   768,892.32 : 1,061,130 = 565,872.72 : x
2. Step 2: Convert to fraction form
   768,892.32/1,061,130 = 565,872.72/x
3. Step 3: Cross multiply
   768,892.32x = 1,061,130 × 565,872.72
4. Step 4: Simplify right side
   768,892.32x = 600,464,519,373.60
5. Step 5: Solve for x
   x = 600,464,519,373.60/768,892.32
6. Step 6: Final answer
   x = 780,947.48