Finding the Fourth Proportional to 37,899.83, 52,304.15 and 21,772.18

Step by Step Solution

1. Step 1: Write the proportion equation
   37,899.83 : 52,304.15 = 21,772.18 : x
2. Step 2: Convert to fraction form
   37,899.83/52,304.15 = 21,772.18/x
3. Step 3: Cross multiply
   37,899.83x = 52,304.15 × 21,772.18
4. Step 4: Simplify right side
   37,899.83x = 1,138,775,368.55
5. Step 5: Solve for x
   x = 1,138,775,368.55/37,899.83
6. Step 6: Final answer
   x = 30,046.98