Finding the Fourth Proportional to 38,325, 52,888.56 and 21,558

Step by Step Solution

1. Step 1: Write the proportion equation
   38,325 : 52,888.56 = 21,558 : x
2. Step 2: Convert to fraction form
   38,325/52,888.56 = 21,558/x
3. Step 3: Cross multiply
   38,325x = 52,888.56 × 21,558
4. Step 4: Simplify right side
   38,325x = 1,140,171,576.48
5. Step 5: Solve for x
   x = 1,140,171,576.48/38,325
6. Step 6: Final answer
   x = 29,750.07