Finding the Fourth Proportional to 60,859.88, 91,286.72 and 21,417.32

Step by Step Solution

1. Step 1: Write the proportion equation
   60,859.88 : 91,286.72 = 21,417.32 : x
2. Step 2: Convert to fraction form
   60,859.88/91,286.72 = 21,417.32/x
3. Step 3: Cross multiply
   60,859.88x = 91,286.72 × 21,417.32
4. Step 4: Simplify right side
   60,859.88x = 1,955,116,893.99
5. Step 5: Solve for x
   x = 1,955,116,893.99/60,859.88
6. Step 6: Final answer
   x = 32,124.89