Finding the Fourth Proportional to 863,061.34, 1,294,545.04 and 264,022.50

Step by Step Solution

1. Step 1: Write the proportion equation
   863,061.34 : 1,294,545.04 = 264,022.50 : x
2. Step 2: Convert to fraction form
   863,061.34/1,294,545.04 = 264,022.50/x
3. Step 3: Cross multiply
   863,061.34x = 1,294,545.04 × 264,022.50
4. Step 4: Simplify right side
   863,061.34x = 341,789,017,823.40
5. Step 5: Solve for x
   x = 341,789,017,823.40/863,061.34
6. Step 6: Final answer
   x = 396,019.38