Finding the Fourth Proportional to 866,978.56, 1,196,671.08 and 504,472.69

Step by Step Solution

1. Step 1: Write the proportion equation
   866,978.56 : 1,196,671.08 = 504,472.69 : x
2. Step 2: Convert to fraction form
   866,978.56/1,196,671.08 = 504,472.69/x
3. Step 3: Cross multiply
   866,978.56x = 1,196,671.08 × 504,472.69
4. Step 4: Simplify right side
   866,978.56x = 603,687,878,772.81
5. Step 5: Solve for x
   x = 603,687,878,772.81/866,978.56
6. Step 6: Final answer
   x = 696,312.35