Finding the Fourth Proportional to 32,695.31, 48,978.64 and 21,568

Step by Step Solution

1. Step 1: Write the proportion equation
   32,695.31 : 48,978.64 = 21,568 : x
2. Step 2: Convert to fraction form
   32,695.31/48,978.64 = 21,568/x
3. Step 3: Cross multiply
   32,695.31x = 48,978.64 × 21,568
4. Step 4: Simplify right side
   32,695.31x = 1,056,371,307.52
5. Step 5: Solve for x
   x = 1,056,371,307.52/32,695.31
6. Step 6: Final answer
   x = 32,309.57