Finding the Fourth Proportional to 31,544.04, 43,529.30 and 18,105.83

Step by Step Solution

1. Step 1: Write the proportion equation
   31,544.04 : 43,529.30 = 18,105.83 : x
2. Step 2: Convert to fraction form
   31,544.04/43,529.30 = 18,105.83/x
3. Step 3: Cross multiply
   31,544.04x = 43,529.30 × 18,105.83
4. Step 4: Simplify right side
   31,544.04x = 788,134,105.82
5. Step 5: Solve for x
   x = 788,134,105.82/31,544.04
6. Step 6: Final answer
   x = 24,985.20