Finding the Fourth Proportional to 31,536.95, 43,507.33 and 18,105.12

Step by Step Solution

1. Step 1: Write the proportion equation
   31,536.95 : 43,507.33 = 18,105.12 : x
2. Step 2: Convert to fraction form
   31,536.95/43,507.33 = 18,105.12/x
3. Step 3: Cross multiply
   31,536.95x = 43,507.33 × 18,105.12
4. Step 4: Simplify right side
   31,536.95x = 787,705,385.27
5. Step 5: Solve for x
   x = 787,705,385.27/31,536.95
6. Step 6: Final answer
   x = 24,977.23