Finding the Fourth Proportional to 23,200.07, 32,014.49 and 13,128.26

Step by Step Solution

1. Step 1: Write the proportion equation
   23,200.07 : 32,014.49 = 13,128.26 : x
2. Step 2: Convert to fraction form
   23,200.07/32,014.49 = 13,128.26/x
3. Step 3: Cross multiply
   23,200.07x = 32,014.49 × 13,128.26
4. Step 4: Simplify right side
   23,200.07x = 420,294,322.77
5. Step 5: Solve for x
   x = 420,294,322.77/23,200.07
6. Step 6: Final answer
   x = 18,116.08