Finding the Fourth Proportional to 60,788.88, 91,192.43 and 21,339.05

Step by Step Solution

1. Step 1: Write the proportion equation
   60,788.88 : 91,192.43 = 21,339.05 : x
2. Step 2: Convert to fraction form
   60,788.88/91,192.43 = 21,339.05/x
3. Step 3: Cross multiply
   60,788.88x = 91,192.43 × 21,339.05
4. Step 4: Simplify right side
   60,788.88x = 1,945,959,420.78
5. Step 5: Solve for x
   x = 1,945,959,420.78/60,788.88
6. Step 6: Final answer
   x = 32,011.77