Finding the Fourth Proportional to 960,028.10, 1,440,042.15 and 711,196.10

Step by Step Solution

1. Step 1: Write the proportion equation
   960,028.10 : 1,440,042.15 = 711,196.10 : x
2. Step 2: Convert to fraction form
   960,028.10/1,440,042.15 = 711,196.10/x
3. Step 3: Cross multiply
   960,028.10x = 1,440,042.15 × 711,196.10
4. Step 4: Simplify right side
   960,028.10x = 1,024,152,360,915.61
5. Step 5: Solve for x
   x = 1,024,152,360,915.61/960,028.10
6. Step 6: Final answer
   x = 1,066,794.15