Finding the Fourth Proportional to 21,597.17, 32,322.60 and 13,282.46

Step by Step Solution

1. Step 1: Write the proportion equation
   21,597.17 : 32,322.60 = 13,282.46 : x
2. Step 2: Convert to fraction form
   21,597.17/32,322.60 = 13,282.46/x
3. Step 3: Cross multiply
   21,597.17x = 32,322.60 × 13,282.46
4. Step 4: Simplify right side
   21,597.17x = 429,323,479.98
5. Step 5: Solve for x
   x = 429,323,479.98/21,597.17
6. Step 6: Final answer
   x = 19,878.70