Finding the Fourth Proportional to 23,190.64, 32,002.50 and 13,759

Step by Step Solution

1. Step 1: Write the proportion equation
   23,190.64 : 32,002.50 = 13,759 : x
2. Step 2: Convert to fraction form
   23,190.64/32,002.50 = 13,759/x
3. Step 3: Cross multiply
   23,190.64x = 32,002.50 × 13,759
4. Step 4: Simplify right side
   23,190.64x = 440,322,397.50
5. Step 5: Solve for x
   x = 440,322,397.50/23,190.64
6. Step 6: Final answer
   x = 18,987.07