Finding the Fourth Proportional to 111,143.25, 153,377.69 and 60,842.25

Step by Step Solution

1. Step 1: Write the proportion equation
   111,143.25 : 153,377.69 = 60,842.25 : x
2. Step 2: Convert to fraction form
   111,143.25/153,377.69 = 60,842.25/x
3. Step 3: Cross multiply
   111,143.25x = 153,377.69 × 60,842.25
4. Step 4: Simplify right side
   111,143.25x = 9,331,843,455.19
5. Step 5: Solve for x
   x = 9,331,843,455.19/111,143.25
6. Step 6: Final answer
   x = 83,962.31