Finding the Fourth Proportional to 31,930.18, 44,068.83 and 18,509.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,930.18 : 44,068.83 = 18,509.22 : x
2. Step 2: Convert to fraction form
   31,930.18/44,068.83 = 18,509.22/x
3. Step 3: Cross multiply
   31,930.18x = 44,068.83 × 18,509.22
4. Step 4: Simplify right side
   31,930.18x = 815,679,422.34
5. Step 5: Solve for x
   x = 815,679,422.34/31,930.18
6. Step 6: Final answer
   x = 25,545.72