Finding the Fourth Proportional to 23,158.86, 31,959.74 and 13,601.48

Step by Step Solution

1. Step 1: Write the proportion equation
   23,158.86 : 31,959.74 = 13,601.48 : x
2. Step 2: Convert to fraction form
   23,158.86/31,959.74 = 13,601.48/x
3. Step 3: Cross multiply
   23,158.86x = 31,959.74 × 13,601.48
4. Step 4: Simplify right side
   23,158.86x = 434,699,764.42
5. Step 5: Solve for x
   x = 434,699,764.42/23,158.86
6. Step 6: Final answer
   x = 18,770.34