Finding the Fourth Proportional to 116,061.10, 160,166.74 and 65,760.10

Step by Step Solution

1. Step 1: Write the proportion equation
   116,061.10 : 160,166.74 = 65,760.10 : x
2. Step 2: Convert to fraction form
   116,061.10/160,166.74 = 65,760.10/x
3. Step 3: Cross multiply
   116,061.10x = 160,166.74 × 65,760.10
4. Step 4: Simplify right side
   116,061.10x = 10,532,580,274.26
5. Step 5: Solve for x
   x = 10,532,580,274.26/116,061.10
6. Step 6: Final answer
   x = 90,750.31