Finding the Fourth Proportional to 25,640.52, 35,384.76 and 14,884.56

Step by Step Solution

1. Step 1: Write the proportion equation
   25,640.52 : 35,384.76 = 14,884.56 : x
2. Step 2: Convert to fraction form
   25,640.52/35,384.76 = 14,884.56/x
3. Step 3: Cross multiply
   25,640.52x = 35,384.76 × 14,884.56
4. Step 4: Simplify right side
   25,640.52x = 526,686,583.31
5. Step 5: Solve for x
   x = 526,686,583.31/25,640.52
6. Step 6: Final answer
   x = 20,541.18