Finding the Fourth Proportional to 55,422.43, 83,118.49 and 19,877.15

Step by Step Solution

1. Step 1: Write the proportion equation
   55,422.43 : 83,118.49 = 19,877.15 : x
2. Step 2: Convert to fraction form
   55,422.43/83,118.49 = 19,877.15/x
3. Step 3: Cross multiply
   55,422.43x = 83,118.49 × 19,877.15
4. Step 4: Simplify right side
   55,422.43x = 1,652,158,851.61
5. Step 5: Solve for x
   x = 1,652,158,851.61/55,422.43
6. Step 6: Final answer
   x = 29,810.29