Finding the Fourth Proportional to 111,904.67, 154,430.42 and 60,918.86

Step by Step Solution

1. Step 1: Write the proportion equation
   111,904.67 : 154,430.42 = 60,918.86 : x
2. Step 2: Convert to fraction form
   111,904.67/154,430.42 = 60,918.86/x
3. Step 3: Cross multiply
   111,904.67x = 154,430.42 × 60,918.86
4. Step 4: Simplify right side
   111,904.67x = 9,407,725,135.72
5. Step 5: Solve for x
   x = 9,407,725,135.72/111,904.67
6. Step 6: Final answer
   x = 84,069.10