Finding the Fourth Proportional to 31,510.32, 43,482.90 and 18,072.24

Step by Step Solution

1. Step 1: Write the proportion equation
   31,510.32 : 43,482.90 = 18,072.24 : x
2. Step 2: Convert to fraction form
   31,510.32/43,482.90 = 18,072.24/x
3. Step 3: Cross multiply
   31,510.32x = 43,482.90 × 18,072.24
4. Step 4: Simplify right side
   31,510.32x = 785,833,404.70
5. Step 5: Solve for x
   x = 785,833,404.70/31,510.32
6. Step 6: Final answer
   x = 24,938.92