Finding the Fourth Proportional to 500,513.55, 749,786.18 and 465,084.15

Step by Step Solution

1. Step 1: Write the proportion equation
   500,513.55 : 749,786.18 = 465,084.15 : x
2. Step 2: Convert to fraction form
   500,513.55/749,786.18 = 465,084.15/x
3. Step 3: Cross multiply
   500,513.55x = 749,786.18 × 465,084.15
4. Step 4: Simplify right side
   500,513.55x = 348,713,665,881.63
5. Step 5: Solve for x
   x = 348,713,665,881.63/500,513.55
6. Step 6: Final answer
   x = 696,711.74