Finding the Fourth Proportional to 23,648.18, 32,634.74 and 13,038.20

Step by Step Solution

1. Step 1: Write the proportion equation
   23,648.18 : 32,634.74 = 13,038.20 : x
2. Step 2: Convert to fraction form
   23,648.18/32,634.74 = 13,038.20/x
3. Step 3: Cross multiply
   23,648.18x = 32,634.74 × 13,038.20
4. Step 4: Simplify right side
   23,648.18x = 425,498,079.50
5. Step 5: Solve for x
   x = 425,498,079.50/23,648.18
6. Step 6: Final answer
   x = 17,992.84