Finding the Fourth Proportional to 856,162.86, 1,181,513.43 and 516,565.50

Step by Step Solution

1. Step 1: Write the proportion equation
   856,162.86 : 1,181,513.43 = 516,565.50 : x
2. Step 2: Convert to fraction form
   856,162.86/1,181,513.43 = 516,565.50/x
3. Step 3: Cross multiply
   856,162.86x = 1,181,513.43 × 516,565.50
4. Step 4: Simplify right side
   856,162.86x = 610,329,075,724.67
5. Step 5: Solve for x
   x = 610,329,075,724.67/856,162.86
6. Step 6: Final answer
   x = 712,865.63