Finding the Fourth Proportional to 31,400.72, 43,333.96 and 17,254

Step by Step Solution

1. Step 1: Write the proportion equation
   31,400.72 : 43,333.96 = 17,254 : x
2. Step 2: Convert to fraction form
   31,400.72/43,333.96 = 17,254/x
3. Step 3: Cross multiply
   31,400.72x = 43,333.96 × 17,254
4. Step 4: Simplify right side
   31,400.72x = 747,684,145.84
5. Step 5: Solve for x
   x = 747,684,145.84/31,400.72
6. Step 6: Final answer
   x = 23,811.05