Finding the Fourth Proportional to 105,801.78, 146,010.52 and 60,479.84

Step by Step Solution

1. Step 1: Write the proportion equation
   105,801.78 : 146,010.52 = 60,479.84 : x
2. Step 2: Convert to fraction form
   105,801.78/146,010.52 = 60,479.84/x
3. Step 3: Cross multiply
   105,801.78x = 146,010.52 × 60,479.84
4. Step 4: Simplify right side
   105,801.78x = 8,830,692,887.92
5. Step 5: Solve for x
   x = 8,830,692,887.92/105,801.78
6. Step 6: Final answer
   x = 83,464.50