Finding the Fourth Proportional to 105,878.01, 146,111.94 and 58,134.45

Step by Step Solution

1. Step 1: Write the proportion equation
   105,878.01 : 146,111.94 = 58,134.45 : x
2. Step 2: Convert to fraction form
   105,878.01/146,111.94 = 58,134.45/x
3. Step 3: Cross multiply
   105,878.01x = 146,111.94 × 58,134.45
4. Step 4: Simplify right side
   105,878.01x = 8,494,137,270.33
5. Step 5: Solve for x
   x = 8,494,137,270.33/105,878.01
6. Step 6: Final answer
   x = 80,225.70