Finding the Fourth Proportional to 25,212.72, 34,792.17 and 13,881.77

Step by Step Solution

1. Step 1: Write the proportion equation
   25,212.72 : 34,792.17 = 13,881.77 : x
2. Step 2: Convert to fraction form
   25,212.72/34,792.17 = 13,881.77/x
3. Step 3: Cross multiply
   25,212.72x = 34,792.17 × 13,881.77
4. Step 4: Simplify right side
   25,212.72x = 482,976,727.78
5. Step 5: Solve for x
   x = 482,976,727.78/25,212.72
6. Step 6: Final answer
   x = 19,156.07