Finding the Fourth Proportional to 105,799.51, 146,003.33 and 60,478.48

Step by Step Solution

1. Step 1: Write the proportion equation
   105,799.51 : 146,003.33 = 60,478.48 : x
2. Step 2: Convert to fraction form
   105,799.51/146,003.33 = 60,478.48/x
3. Step 3: Cross multiply
   105,799.51x = 146,003.33 × 60,478.48
4. Step 4: Simplify right side
   105,799.51x = 8,830,058,805.94
5. Step 5: Solve for x
   x = 8,830,058,805.94/105,799.51
6. Step 6: Final answer
   x = 83,460.30