Finding the Fourth Proportional to 106,111.13, 146,454.15 and 60,819.47

Step by Step Solution

1. Step 1: Write the proportion equation
   106,111.13 : 146,454.15 = 60,819.47 : x
2. Step 2: Convert to fraction form
   106,111.13/146,454.15 = 60,819.47/x
3. Step 3: Cross multiply
   106,111.13x = 146,454.15 × 60,819.47
4. Step 4: Simplify right side
   106,111.13x = 8,907,263,827.31
5. Step 5: Solve for x
   x = 8,907,263,827.31/106,111.13
6. Step 6: Final answer
   x = 83,942.79