Finding the Fourth Proportional to 31,448.17, 43,398.39 and 17,300.98

Step by Step Solution

1. Step 1: Write the proportion equation
   31,448.17 : 43,398.39 = 17,300.98 : x
2. Step 2: Convert to fraction form
   31,448.17/43,398.39 = 17,300.98/x
3. Step 3: Cross multiply
   31,448.17x = 43,398.39 × 17,300.98
4. Step 4: Simplify right side
   31,448.17x = 750,834,677.42
5. Step 5: Solve for x
   x = 750,834,677.42/31,448.17
6. Step 6: Final answer
   x = 23,875.31