Finding the Fourth Proportional to 31,211.58, 43,061.43 and 17,773.31

Step by Step Solution

1. Step 1: Write the proportion equation
   31,211.58 : 43,061.43 = 17,773.31 : x
2. Step 2: Convert to fraction form
   31,211.58/43,061.43 = 17,773.31/x
3. Step 3: Cross multiply
   31,211.58x = 43,061.43 × 17,773.31
4. Step 4: Simplify right side
   31,211.58x = 765,343,929.13
5. Step 5: Solve for x
   x = 765,343,929.13/31,211.58
6. Step 6: Final answer
   x = 24,521.15