Finding the Fourth Proportional to 52,807.87, 72,863.04 and 30,139.62

Step by Step Solution

1. Step 1: Write the proportion equation
   52,807.87 : 72,863.04 = 30,139.62 : x
2. Step 2: Convert to fraction form
   52,807.87/72,863.04 = 30,139.62/x
3. Step 3: Cross multiply
   52,807.87x = 72,863.04 × 30,139.62
4. Step 4: Simplify right side
   52,807.87x = 2,196,064,382.36
5. Step 5: Solve for x
   x = 2,196,064,382.36/52,807.87
6. Step 6: Final answer
   x = 41,585.93