Finding the Fourth Proportional to 116,478.27, 160,689.42 and 74,014.02

Step by Step Solution

1. Step 1: Write the proportion equation
   116,478.27 : 160,689.42 = 74,014.02 : x
2. Step 2: Convert to fraction form
   116,478.27/160,689.42 = 74,014.02/x
3. Step 3: Cross multiply
   116,478.27x = 160,689.42 × 74,014.02
4. Step 4: Simplify right side
   116,478.27x = 11,893,269,945.67
5. Step 5: Solve for x
   x = 11,893,269,945.67/116,478.27
6. Step 6: Final answer
   x = 102,107.20