Finding the Fourth Proportional to 111,543.93, 153,929.54 and 60,555.56

Step by Step Solution

1. Step 1: Write the proportion equation
   111,543.93 : 153,929.54 = 60,555.56 : x
2. Step 2: Convert to fraction form
   111,543.93/153,929.54 = 60,555.56/x
3. Step 3: Cross multiply
   111,543.93x = 153,929.54 × 60,555.56
4. Step 4: Simplify right side
   111,543.93x = 9,321,288,422.82
5. Step 5: Solve for x
   x = 9,321,288,422.82/111,543.93
6. Step 6: Final answer
   x = 83,566.08