Finding the Fourth Proportional to 21,462.10, 32,062.59 and 13,904.13

Step by Step Solution

1. Step 1: Write the proportion equation
   21,462.10 : 32,062.59 = 13,904.13 : x
2. Step 2: Convert to fraction form
   21,462.10/32,062.59 = 13,904.13/x
3. Step 3: Cross multiply
   21,462.10x = 32,062.59 × 13,904.13
4. Step 4: Simplify right side
   21,462.10x = 445,802,419.50
5. Step 5: Solve for x
   x = 445,802,419.50/21,462.10
6. Step 6: Final answer
   x = 20,771.61