Finding the Fourth Proportional to 39,981.50, 55,179.34 and 23,214.50

Step by Step Solution

1. Step 1: Write the proportion equation
   39,981.50 : 55,179.34 = 23,214.50 : x
2. Step 2: Convert to fraction form
   39,981.50/55,179.34 = 23,214.50/x
3. Step 3: Cross multiply
   39,981.50x = 55,179.34 × 23,214.50
4. Step 4: Simplify right side
   39,981.50x = 1,280,960,788.43
5. Step 5: Solve for x
   x = 1,280,960,788.43/39,981.50
6. Step 6: Final answer
   x = 32,038.84