Finding the Fourth Proportional to 56,863.72, 78,446.57 and 32,976.56

Step by Step Solution

1. Step 1: Write the proportion equation
   56,863.72 : 78,446.57 = 32,976.56 : x
2. Step 2: Convert to fraction form
   56,863.72/78,446.57 = 32,976.56/x
3. Step 3: Cross multiply
   56,863.72x = 78,446.57 × 32,976.56
4. Step 4: Simplify right side
   56,863.72x = 2,586,897,857.52
5. Step 5: Solve for x
   x = 2,586,897,857.52/56,863.72
6. Step 6: Final answer
   x = 45,492.94