Finding the Fourth Proportional to 23,698.34, 32,703.90 and 13,088.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,698.34 : 32,703.90 = 13,088.15 : x
2. Step 2: Convert to fraction form
   23,698.34/32,703.90 = 13,088.15/x
3. Step 3: Cross multiply
   23,698.34x = 32,703.90 × 13,088.15
4. Step 4: Simplify right side
   23,698.34x = 428,033,532.45
5. Step 5: Solve for x
   x = 428,033,532.45/23,698.34
6. Step 6: Final answer
   x = 18,061.75