Finding the Fourth Proportional to 37,990.32, 52,425.17 and 21,862.83

Step by Step Solution

1. Step 1: Write the proportion equation
   37,990.32 : 52,425.17 = 21,862.83 : x
2. Step 2: Convert to fraction form
   37,990.32/52,425.17 = 21,862.83/x
3. Step 3: Cross multiply
   37,990.32x = 52,425.17 × 21,862.83
4. Step 4: Simplify right side
   37,990.32x = 1,146,162,350.40
5. Step 5: Solve for x
   x = 1,146,162,350.40/37,990.32
6. Step 6: Final answer
   x = 30,169.85