Finding the Fourth Proportional to 116,308.95, 160,510.23 and 65,330.67

Step by Step Solution

1. Step 1: Write the proportion equation
   116,308.95 : 160,510.23 = 65,330.67 : x
2. Step 2: Convert to fraction form
   116,308.95/160,510.23 = 65,330.67/x
3. Step 3: Cross multiply
   116,308.95x = 160,510.23 × 65,330.67
4. Step 4: Simplify right side
   116,308.95x = 10,486,240,867.75
5. Step 5: Solve for x
   x = 10,486,240,867.75/116,308.95
6. Step 6: Final answer
   x = 90,158.50