Finding the Fourth Proportional to 111,262.72, 153,544.80 and 60,964.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,262.72 : 153,544.80 = 60,964.96 : x
2. Step 2: Convert to fraction form
   111,262.72/153,544.80 = 60,964.96/x
3. Step 3: Cross multiply
   111,262.72x = 153,544.80 × 60,964.96
4. Step 4: Simplify right side
   111,262.72x = 9,360,852,590.21
5. Step 5: Solve for x
   x = 9,360,852,590.21/111,262.72
6. Step 6: Final answer
   x = 84,132.88