Finding the Fourth Proportional to 62,469.72, 86,206.73 and 38,280.15

Step by Step Solution

1. Step 1: Write the proportion equation
   62,469.72 : 86,206.73 = 38,280.15 : x
2. Step 2: Convert to fraction form
   62,469.72/86,206.73 = 38,280.15/x
3. Step 3: Cross multiply
   62,469.72x = 86,206.73 × 38,280.15
4. Step 4: Simplify right side
   62,469.72x = 3,300,006,364.01
5. Step 5: Solve for x
   x = 3,300,006,364.01/62,469.72
6. Step 6: Final answer
   x = 52,825.69