Finding the Fourth Proportional to 23,278.86, 34,915.86 and 13,792.14

Step by Step Solution

1. Step 1: Write the proportion equation
   23,278.86 : 34,915.86 = 13,792.14 : x
2. Step 2: Convert to fraction form
   23,278.86/34,915.86 = 13,792.14/x
3. Step 3: Cross multiply
   23,278.86x = 34,915.86 × 13,792.14
4. Step 4: Simplify right side
   23,278.86x = 481,564,429.34
5. Step 5: Solve for x
   x = 481,564,429.34/23,278.86
6. Step 6: Final answer
   x = 20,686.77