Finding the Fourth Proportional to 1,031,219.50, 1,423,061.50 and 572,307.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,031,219.50 : 1,423,061.50 = 572,307.42 : x
2. Step 2: Convert to fraction form
   1,031,219.50/1,423,061.50 = 572,307.42/x
3. Step 3: Cross multiply
   1,031,219.50x = 1,423,061.50 × 572,307.42
4. Step 4: Simplify right side
   1,031,219.50x = 814,428,655,566.33
5. Step 5: Solve for x
   x = 814,428,655,566.33/1,031,219.50
6. Step 6: Final answer
   x = 789,772.36