Finding the Fourth Proportional to 31,521.37, 43,499.70 and 17,374.22

Step by Step Solution

1. Step 1: Write the proportion equation
   31,521.37 : 43,499.70 = 17,374.22 : x
2. Step 2: Convert to fraction form
   31,521.37/43,499.70 = 17,374.22/x
3. Step 3: Cross multiply
   31,521.37x = 43,499.70 × 17,374.22
4. Step 4: Simplify right side
   31,521.37x = 755,773,357.73
5. Step 5: Solve for x
   x = 755,773,357.73/31,521.37
6. Step 6: Final answer
   x = 23,976.54