Finding the Fourth Proportional to 21,345.98, 32,013.48 and 14,681.12

Step by Step Solution

1. Step 1: Write the proportion equation
   21,345.98 : 32,013.48 = 14,681.12 : x
2. Step 2: Convert to fraction form
   21,345.98/32,013.48 = 14,681.12/x
3. Step 3: Cross multiply
   21,345.98x = 32,013.48 × 14,681.12
4. Step 4: Simplify right side
   21,345.98x = 469,993,741.50
5. Step 5: Solve for x
   x = 469,993,741.50/21,345.98
6. Step 6: Final answer
   x = 22,017.90