Finding the Fourth Proportional to 23,907.08, 32,991.77 and 13,152.10

Step by Step Solution

1. Step 1: Write the proportion equation
   23,907.08 : 32,991.77 = 13,152.10 : x
2. Step 2: Convert to fraction form
   23,907.08/32,991.77 = 13,152.10/x
3. Step 3: Cross multiply
   23,907.08x = 32,991.77 × 13,152.10
4. Step 4: Simplify right side
   23,907.08x = 433,910,909.98
5. Step 5: Solve for x
   x = 433,910,909.98/23,907.08
6. Step 6: Final answer
   x = 18,149.90