Finding the Fourth Proportional to 31,411.72, 43,350.22 and 19,482.99

Step by Step Solution

1. Step 1: Write the proportion equation
   31,411.72 : 43,350.22 = 19,482.99 : x
2. Step 2: Convert to fraction form
   31,411.72/43,350.22 = 19,482.99/x
3. Step 3: Cross multiply
   31,411.72x = 43,350.22 × 19,482.99
4. Step 4: Simplify right side
   31,411.72x = 844,591,902.76
5. Step 5: Solve for x
   x = 844,591,902.76/31,411.72
6. Step 6: Final answer
   x = 26,887.80