Finding the Fourth Proportional to 25,140.34, 34,693.65 and 13,810.15

Step by Step Solution

1. Step 1: Write the proportion equation
   25,140.34 : 34,693.65 = 13,810.15 : x
2. Step 2: Convert to fraction form
   25,140.34/34,693.65 = 13,810.15/x
3. Step 3: Cross multiply
   25,140.34x = 34,693.65 × 13,810.15
4. Step 4: Simplify right side
   25,140.34x = 479,124,510.55
5. Step 5: Solve for x
   x = 479,124,510.55/25,140.34
6. Step 6: Final answer
   x = 19,058.00