Finding the Fourth Proportional to 111,194.75, 153,442.67 and 65,248.23

Step by Step Solution

1. Step 1: Write the proportion equation
   111,194.75 : 153,442.67 = 65,248.23 : x
2. Step 2: Convert to fraction form
   111,194.75/153,442.67 = 65,248.23/x
3. Step 3: Cross multiply
   111,194.75x = 153,442.67 × 65,248.23
4. Step 4: Simplify right side
   111,194.75x = 10,011,863,377.80
5. Step 5: Solve for x
   x = 10,011,863,377.80/111,194.75
6. Step 6: Final answer
   x = 90,038.99