Finding the Fourth Proportional to 38,228.83, 52,759.98 and 21,877.55

Step by Step Solution

1. Step 1: Write the proportion equation
   38,228.83 : 52,759.98 = 21,877.55 : x
2. Step 2: Convert to fraction form
   38,228.83/52,759.98 = 21,877.55/x
3. Step 3: Cross multiply
   38,228.83x = 52,759.98 × 21,877.55
4. Step 4: Simplify right side
   38,228.83x = 1,154,259,100.45
5. Step 5: Solve for x
   x = 1,154,259,100.45/38,228.83
6. Step 6: Final answer
   x = 30,193.42