Finding the Fourth Proportional to 111,577.70, 153,976.72 and 60,590.02

Step by Step Solution

1. Step 1: Write the proportion equation
   111,577.70 : 153,976.72 = 60,590.02 : x
2. Step 2: Convert to fraction form
   111,577.70/153,976.72 = 60,590.02/x
3. Step 3: Cross multiply
   111,577.70x = 153,976.72 × 60,590.02
4. Step 4: Simplify right side
   111,577.70x = 9,329,452,544.33
5. Step 5: Solve for x
   x = 9,329,452,544.33/111,577.70
6. Step 6: Final answer
   x = 83,613.95