Finding the Fourth Proportional to 78,871.18, 108,854.73 and 50,160.91

Step by Step Solution

1. Step 1: Write the proportion equation
   78,871.18 : 108,854.73 = 50,160.91 : x
2. Step 2: Convert to fraction form
   78,871.18/108,854.73 = 50,160.91/x
3. Step 3: Cross multiply
   78,871.18x = 108,854.73 × 50,160.91
4. Step 4: Simplify right side
   78,871.18x = 5,460,252,314.60
5. Step 5: Solve for x
   x = 5,460,252,314.60/78,871.18
6. Step 6: Final answer
   x = 69,230.01