Finding the Fourth Proportional to 62,790.98, 86,613.12 and 37,280.04

Step by Step Solution

1. Step 1: Write the proportion equation
   62,790.98 : 86,613.12 = 37,280.04 : x
2. Step 2: Convert to fraction form
   62,790.98/86,613.12 = 37,280.04/x
3. Step 3: Cross multiply
   62,790.98x = 86,613.12 × 37,280.04
4. Step 4: Simplify right side
   62,790.98x = 3,228,940,578.12
5. Step 5: Solve for x
   x = 3,228,940,578.12/62,790.98
6. Step 6: Final answer
   x = 51,423.64