Finding the Fourth Proportional to 50,082.30, 69,117.42 and 28,572.53

Step by Step Solution

1. Step 1: Write the proportion equation
   50,082.30 : 69,117.42 = 28,572.53 : x
2. Step 2: Convert to fraction form
   50,082.30/69,117.42 = 28,572.53/x
3. Step 3: Cross multiply
   50,082.30x = 69,117.42 × 28,572.53
4. Step 4: Simplify right side
   50,082.30x = 1,974,859,210.89
5. Step 5: Solve for x
   x = 1,974,859,210.89/50,082.30
6. Step 6: Final answer
   x = 39,432.28