Finding the Fourth Proportional to 105,799.08, 146,002.73 and 60,478.04

Step by Step Solution

1. Step 1: Write the proportion equation
   105,799.08 : 146,002.73 = 60,478.04 : x
2. Step 2: Convert to fraction form
   105,799.08/146,002.73 = 60,478.04/x
3. Step 3: Cross multiply
   105,799.08x = 146,002.73 × 60,478.04
4. Step 4: Simplify right side
   105,799.08x = 8,829,959,007.67
5. Step 5: Solve for x
   x = 8,829,959,007.67/105,799.08
6. Step 6: Final answer
   x = 83,459.69