Finding the Fourth Proportional to 957,142.68, 1,320,915.72 and 527,422.68

Step by Step Solution

1. Step 1: Write the proportion equation
   957,142.68 : 1,320,915.72 = 527,422.68 : x
2. Step 2: Convert to fraction form
   957,142.68/1,320,915.72 = 527,422.68/x
3. Step 3: Cross multiply
   957,142.68x = 1,320,915.72 × 527,422.68
4. Step 4: Simplify right side
   957,142.68x = 696,680,909,096.53
5. Step 5: Solve for x
   x = 696,680,909,096.53/957,142.68
6. Step 6: Final answer
   x = 727,875.71