Finding the Fourth Proportional to 108,541.16, 162,916.83 and 52,420.71

Step by Step Solution

1. Step 1: Write the proportion equation
   108,541.16 : 162,916.83 = 52,420.71 : x
2. Step 2: Convert to fraction form
   108,541.16/162,916.83 = 52,420.71/x
3. Step 3: Cross multiply
   108,541.16x = 162,916.83 × 52,420.71
4. Step 4: Simplify right side
   108,541.16x = 8,540,215,899.55
5. Step 5: Solve for x
   x = 8,540,215,899.55/108,541.16
6. Step 6: Final answer
   x = 78,681.82