Finding the Fourth Proportional to 31,507.16, 43,480.87 and 18,080.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,507.16 : 43,480.87 = 18,080.87 : x
2. Step 2: Convert to fraction form
   31,507.16/43,480.87 = 18,080.87/x
3. Step 3: Cross multiply
   31,507.16x = 43,480.87 × 18,080.87
4. Step 4: Simplify right side
   31,507.16x = 786,172,062.22
5. Step 5: Solve for x
   x = 786,172,062.22/31,507.16
6. Step 6: Final answer
   x = 24,952.17