Finding the Fourth Proportional to 31,812.86, 43,901.52 and 17,665.67

Step by Step Solution

1. Step 1: Write the proportion equation
   31,812.86 : 43,901.52 = 17,665.67 : x
2. Step 2: Convert to fraction form
   31,812.86/43,901.52 = 17,665.67/x
3. Step 3: Cross multiply
   31,812.86x = 43,901.52 × 17,665.67
4. Step 4: Simplify right side
   31,812.86x = 775,549,764.82
5. Step 5: Solve for x
   x = 775,549,764.82/31,812.86
6. Step 6: Final answer
   x = 24,378.50