Finding the Fourth Proportional to 23,656.96, 32,646.84 and 13,047

Step by Step Solution

1. Step 1: Write the proportion equation
   23,656.96 : 32,646.84 = 13,047 : x
2. Step 2: Convert to fraction form
   23,656.96/32,646.84 = 13,047/x
3. Step 3: Cross multiply
   23,656.96x = 32,646.84 × 13,047
4. Step 4: Simplify right side
   23,656.96x = 425,943,321.48
5. Step 5: Solve for x
   x = 425,943,321.48/23,656.96
6. Step 6: Final answer
   x = 18,004.99