Finding the Fourth Proportional to 25,131.66, 34,682.32 and 13,802.28

Step by Step Solution

1. Step 1: Write the proportion equation
   25,131.66 : 34,682.32 = 13,802.28 : x
2. Step 2: Convert to fraction form
   25,131.66/34,682.32 = 13,802.28/x
3. Step 3: Cross multiply
   25,131.66x = 34,682.32 × 13,802.28
4. Step 4: Simplify right side
   25,131.66x = 478,695,091.69
5. Step 5: Solve for x
   x = 478,695,091.69/25,131.66
6. Step 6: Final answer
   x = 19,047.49