Finding the Fourth Proportional to 25,090.10, 34,624.72 and 13,760.63

Step by Step Solution

1. Step 1: Write the proportion equation
   25,090.10 : 34,624.72 = 13,760.63 : x
2. Step 2: Convert to fraction form
   25,090.10/34,624.72 = 13,760.63/x
3. Step 3: Cross multiply
   25,090.10x = 34,624.72 × 13,760.63
4. Step 4: Simplify right side
   25,090.10x = 476,457,804.85
5. Step 5: Solve for x
   x = 476,457,804.85/25,090.10
6. Step 6: Final answer
   x = 18,989.88