Finding the Fourth Proportional to 23,499.75, 32,427.52 and 13,428.15

Step by Step Solution

1. Step 1: Write the proportion equation
   23,499.75 : 32,427.52 = 13,428.15 : x
2. Step 2: Convert to fraction form
   23,499.75/32,427.52 = 13,428.15/x
3. Step 3: Cross multiply
   23,499.75x = 32,427.52 × 13,428.15
4. Step 4: Simplify right side
   23,499.75x = 435,441,602.69
5. Step 5: Solve for x
   x = 435,441,602.69/23,499.75
6. Step 6: Final answer
   x = 18,529.63