Finding the Fourth Proportional to 31,314.16, 43,213.52 and 17,166.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,314.16 : 43,213.52 = 17,166.98 : x
2. Step 2: Convert to fraction form
   31,314.16/43,213.52 = 17,166.98/x
3. Step 3: Cross multiply
   31,314.16x = 43,213.52 × 17,166.98
4. Step 4: Simplify right side
   31,314.16x = 741,845,633.57
5. Step 5: Solve for x
   x = 741,845,633.57/31,314.16
6. Step 6: Final answer
   x = 23,690.42