Finding the Fourth Proportional to 23,699.55, 32,703.72 and 13,088.34

Step by Step Solution

1. Step 1: Write the proportion equation
   23,699.55 : 32,703.72 = 13,088.34 : x
2. Step 2: Convert to fraction form
   23,699.55/32,703.72 = 13,088.34/x
3. Step 3: Cross multiply
   23,699.55x = 32,703.72 × 13,088.34
4. Step 4: Simplify right side
   23,699.55x = 428,037,406.62
5. Step 5: Solve for x
   x = 428,037,406.62/23,699.55
6. Step 6: Final answer
   x = 18,060.99