Finding the Fourth Proportional to 23,698.64, 32,703.24 and 13,088.05

Step by Step Solution

1. Step 1: Write the proportion equation
   23,698.64 : 32,703.24 = 13,088.05 : x
2. Step 2: Convert to fraction form
   23,698.64/32,703.24 = 13,088.05/x
3. Step 3: Cross multiply
   23,698.64x = 32,703.24 × 13,088.05
4. Step 4: Simplify right side
   23,698.64x = 428,021,607.60
5. Step 5: Solve for x
   x = 428,021,607.60/23,698.64
6. Step 6: Final answer
   x = 18,061.02