Finding the Fourth Proportional to 21,925.08, 32,895.88 and 13,166.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,925.08 : 32,895.88 = 13,166.12 : x
2. Step 2: Convert to fraction form
   21,925.08/32,895.88 = 13,166.12/x
3. Step 3: Cross multiply
   21,925.08x = 32,895.88 × 13,166.12
4. Step 4: Simplify right side
   21,925.08x = 433,111,103.59
5. Step 5: Solve for x
   x = 433,111,103.59/21,925.08
6. Step 6: Final answer
   x = 19,754.14