Finding the Fourth Proportional to 25,280.91, 34,887.38 and 13,950.50

Step by Step Solution

1. Step 1: Write the proportion equation
   25,280.91 : 34,887.38 = 13,950.50 : x
2. Step 2: Convert to fraction form
   25,280.91/34,887.38 = 13,950.50/x
3. Step 3: Cross multiply
   25,280.91x = 34,887.38 × 13,950.50
4. Step 4: Simplify right side
   25,280.91x = 486,696,150.50
5. Step 5: Solve for x
   x = 486,696,150.50/25,280.91
6. Step 6: Final answer
   x = 19,251.53