Finding the Fourth Proportional to 812,196.24, 1,216,962.72 and 575,113.29

Step by Step Solution

1. Step 1: Write the proportion equation
   812,196.24 : 1,216,962.72 = 575,113.29 : x
2. Step 2: Convert to fraction form
   812,196.24/1,216,962.72 = 575,113.29/x
3. Step 3: Cross multiply
   812,196.24x = 1,216,962.72 × 575,113.29
4. Step 4: Simplify right side
   812,196.24x = 699,891,433,706.55
5. Step 5: Solve for x
   x = 699,891,433,706.55/812,196.24
6. Step 6: Final answer
   x = 861,727.01