Finding the Fourth Proportional to 31,379.82, 43,301.46 and 17,948.91

Step by Step Solution

1. Step 1: Write the proportion equation
   31,379.82 : 43,301.46 = 17,948.91 : x
2. Step 2: Convert to fraction form
   31,379.82/43,301.46 = 17,948.91/x
3. Step 3: Cross multiply
   31,379.82x = 43,301.46 × 17,948.91
4. Step 4: Simplify right side
   31,379.82x = 777,214,008.41
5. Step 5: Solve for x
   x = 777,214,008.41/31,379.82
6. Step 6: Final answer
   x = 24,767.96