Finding the Fourth Proportional to 51,492.76, 71,059.46 and 28,831.96

Step by Step Solution

1. Step 1: Write the proportion equation
   51,492.76 : 71,059.46 = 28,831.96 : x
2. Step 2: Convert to fraction form
   51,492.76/71,059.46 = 28,831.96/x
3. Step 3: Cross multiply
   51,492.76x = 71,059.46 × 28,831.96
4. Step 4: Simplify right side
   51,492.76x = 2,048,783,508.34
5. Step 5: Solve for x
   x = 2,048,783,508.34/51,492.76
6. Step 6: Final answer
   x = 39,787.80