Finding the Fourth Proportional to 31,248.25, 43,122.99 and 17,100.79

Step by Step Solution

1. Step 1: Write the proportion equation
   31,248.25 : 43,122.99 = 17,100.79 : x
2. Step 2: Convert to fraction form
   31,248.25/43,122.99 = 17,100.79/x
3. Step 3: Cross multiply
   31,248.25x = 43,122.99 × 17,100.79
4. Step 4: Simplify right side
   31,248.25x = 737,437,196.16
5. Step 5: Solve for x
   x = 737,437,196.16/31,248.25
6. Step 6: Final answer
   x = 23,599.31