Finding the Fourth Proportional to 914,911.42, 1,262,430.78 and 575,139.10

Step by Step Solution

1. Step 1: Write the proportion equation
   914,911.42 : 1,262,430.78 = 575,139.10 : x
2. Step 2: Convert to fraction form
   914,911.42/1,262,430.78 = 575,139.10/x
3. Step 3: Cross multiply
   914,911.42x = 1,262,430.78 × 575,139.10
4. Step 4: Simplify right side
   914,911.42x = 726,073,302,621.50
5. Step 5: Solve for x
   x = 726,073,302,621.50/914,911.42
6. Step 6: Final answer
   x = 793,599.56