Finding the Fourth Proportional to 111,644.09, 154,070.59 and 60,657.83

Step by Step Solution

1. Step 1: Write the proportion equation
   111,644.09 : 154,070.59 = 60,657.83 : x
2. Step 2: Convert to fraction form
   111,644.09/154,070.59 = 60,657.83/x
3. Step 3: Cross multiply
   111,644.09x = 154,070.59 × 60,657.83
4. Step 4: Simplify right side
   111,644.09x = 9,345,587,656.22
5. Step 5: Solve for x
   x = 9,345,587,656.22/111,644.09
6. Step 6: Final answer
   x = 83,708.75