Finding the Fourth Proportional to 105,799.77, 146,007.77 and 60,477.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,799.77 : 146,007.77 = 60,477.84 : x
2. Step 2: Convert to fraction form
   105,799.77/146,007.77 = 60,477.84/x
3. Step 3: Cross multiply
   105,799.77x = 146,007.77 × 60,477.84
4. Step 4: Simplify right side
   105,799.77x = 8,830,234,250.43
5. Step 5: Solve for x
   x = 8,830,234,250.43/105,799.77
6. Step 6: Final answer
   x = 83,461.75