Finding the Fourth Proportional to 23,853.98, 32,916.85 and 13,242.79

Step by Step Solution

1. Step 1: Write the proportion equation
   23,853.98 : 32,916.85 = 13,242.79 : x
2. Step 2: Convert to fraction form
   23,853.98/32,916.85 = 13,242.79/x
3. Step 3: Cross multiply
   23,853.98x = 32,916.85 × 13,242.79
4. Step 4: Simplify right side
   23,853.98x = 435,910,932.01
5. Step 5: Solve for x
   x = 435,910,932.01/23,853.98
6. Step 6: Final answer
   x = 18,274.14