Finding the Fourth Proportional to 106,414.52, 146,845.41 and 58,667.78

Step by Step Solution

1. Step 1: Write the proportion equation
   106,414.52 : 146,845.41 = 58,667.78 : x
2. Step 2: Convert to fraction form
   106,414.52/146,845.41 = 58,667.78/x
3. Step 3: Cross multiply
   106,414.52x = 146,845.41 × 58,667.78
4. Step 4: Simplify right side
   106,414.52x = 8,615,093,473.66
5. Step 5: Solve for x
   x = 8,615,093,473.66/106,414.52
6. Step 6: Final answer
   x = 80,957.88