Finding the Fourth Proportional to 60,801.88, 91,211.96 and 21,352.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,801.88 : 91,211.96 = 21,352.05 : x
2. Step 2: Convert to fraction form
   60,801.88/91,211.96 = 21,352.05/x
3. Step 3: Cross multiply
   60,801.88x = 91,211.96 × 21,352.05
4. Step 4: Simplify right side
   60,801.88x = 1,947,562,330.52
5. Step 5: Solve for x
   x = 1,947,562,330.52/60,801.88
6. Step 6: Final answer
   x = 32,031.28