Finding the Fourth Proportional to 108,140.55, 162,227.69 and 51,970.19

Step by Step Solution

1. Step 1: Write the proportion equation
   108,140.55 : 162,227.69 = 51,970.19 : x
2. Step 2: Convert to fraction form
   108,140.55/162,227.69 = 51,970.19/x
3. Step 3: Cross multiply
   108,140.55x = 162,227.69 × 51,970.19
4. Step 4: Simplify right side
   108,140.55x = 8,431,002,801.57
5. Step 5: Solve for x
   x = 8,431,002,801.57/108,140.55
6. Step 6: Final answer
   x = 77,963.38