Finding the Fourth Proportional to 31,770.03, 43,838.00 and 18,339.15

Step by Step Solution

1. Step 1: Write the proportion equation
   31,770.03 : 43,838.00 = 18,339.15 : x
2. Step 2: Convert to fraction form
   31,770.03/43,838.00 = 18,339.15/x
3. Step 3: Cross multiply
   31,770.03x = 43,838.00 × 18,339.15
4. Step 4: Simplify right side
   31,770.03x = 803,951,566.00
5. Step 5: Solve for x
   x = 803,951,566.00/31,770.03
6. Step 6: Final answer
   x = 25,305.34