Finding the Fourth Proportional to 105,893.69, 146,146.46 and 60,565.39

Step by Step Solution

1. Step 1: Write the proportion equation
   105,893.69 : 146,146.46 = 60,565.39 : x
2. Step 2: Convert to fraction form
   105,893.69/146,146.46 = 60,565.39/x
3. Step 3: Cross multiply
   105,893.69x = 146,146.46 × 60,565.39
4. Step 4: Simplify right side
   105,893.69x = 8,851,416,313.46
5. Step 5: Solve for x
   x = 8,851,416,313.46/105,893.69
6. Step 6: Final answer
   x = 83,587.76