Finding the Fourth Proportional to 116,371.24, 174,159.42 and 71,978.92

Step by Step Solution

1. Step 1: Write the proportion equation
   116,371.24 : 174,159.42 = 71,978.92 : x
2. Step 2: Convert to fraction form
   116,371.24/174,159.42 = 71,978.92/x
3. Step 3: Cross multiply
   116,371.24x = 174,159.42 × 71,978.92
4. Step 4: Simplify right side
   116,371.24x = 12,535,806,959.43
5. Step 5: Solve for x
   x = 12,535,806,959.43/116,371.24
6. Step 6: Final answer
   x = 107,722.55