Finding the Fourth Proportional to 868,318.72, 1,300,931.52 and 531,194.56

Step by Step Solution

1. Step 1: Write the proportion equation
   868,318.72 : 1,300,931.52 = 531,194.56 : x
2. Step 2: Convert to fraction form
   868,318.72/1,300,931.52 = 531,194.56/x
3. Step 3: Cross multiply
   868,318.72x = 1,300,931.52 × 531,194.56
4. Step 4: Simplify right side
   868,318.72x = 691,047,746,356.53
5. Step 5: Solve for x
   x = 691,047,746,356.53/868,318.72
6. Step 6: Final answer
   x = 795,845.73