Finding the Fourth Proportional to 23,498.64, 32,423.42 and 13,430.39

Step by Step Solution

1. Step 1: Write the proportion equation
   23,498.64 : 32,423.42 = 13,430.39 : x
2. Step 2: Convert to fraction form
   23,498.64/32,423.42 = 13,430.39/x
3. Step 3: Cross multiply
   23,498.64x = 32,423.42 × 13,430.39
4. Step 4: Simplify right side
   23,498.64x = 435,458,946.46
5. Step 5: Solve for x
   x = 435,458,946.46/23,498.64
6. Step 6: Final answer
   x = 18,531.24