Finding the Fourth Proportional to 31,510.89, 43,486.02 and 18,084.87

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510.89 : 43,486.02 = 18,084.87 : x
2. Step 2: Convert to fraction form
   31,510.89/43,486.02 = 18,084.87/x
3. Step 3: Cross multiply
   31,510.89x = 43,486.02 × 18,084.87
4. Step 4: Simplify right side
   31,510.89x = 786,439,018.52
5. Step 5: Solve for x
   x = 786,439,018.52/31,510.89
6. Step 6: Final answer
   x = 24,957.69