Finding the Fourth Proportional to 516,609.72, 772,648.38 and 460,082.52

Step by Step Solution

1. Step 1: Write the proportion equation
   516,609.72 : 772,648.38 = 460,082.52 : x
2. Step 2: Convert to fraction form
   516,609.72/772,648.38 = 460,082.52/x
3. Step 3: Cross multiply
   516,609.72x = 772,648.38 × 460,082.52
4. Step 4: Simplify right side
   516,609.72x = 355,482,013,744.32
5. Step 5: Solve for x
   x = 355,482,013,744.32/516,609.72
6. Step 6: Final answer
   x = 688,105.55