Finding the Fourth Proportional to 25,111.63, 37,691.75 and 18,468.55

Step by Step Solution

1. Step 1: Write the proportion equation
   25,111.63 : 37,691.75 = 18,468.55 : x
2. Step 2: Convert to fraction form
   25,111.63/37,691.75 = 18,468.55/x
3. Step 3: Cross multiply
   25,111.63x = 37,691.75 × 18,468.55
4. Step 4: Simplify right side
   25,111.63x = 696,111,969.46
5. Step 5: Solve for x
   x = 696,111,969.46/25,111.63
6. Step 6: Final answer
   x = 27,720.70