Finding the Fourth Proportional to 49,978.01, 74,891.39 and 21,882.35

Step by Step Solution

1. Step 1: Write the proportion equation
   49,978.01 : 74,891.39 = 21,882.35 : x
2. Step 2: Convert to fraction form
   49,978.01/74,891.39 = 21,882.35/x
3. Step 3: Cross multiply
   49,978.01x = 74,891.39 × 21,882.35
4. Step 4: Simplify right side
   49,978.01x = 1,638,799,685.78
5. Step 5: Solve for x
   x = 1,638,799,685.78/49,978.01
6. Step 6: Final answer
   x = 32,790.41