Finding the Fourth Proportional to 105,900.03, 146,143.06 and 58,154.38

Step by Step Solution

1. Step 1: Write the proportion equation
   105,900.03 : 146,143.06 = 58,154.38 : x
2. Step 2: Convert to fraction form
   105,900.03/146,143.06 = 58,154.38/x
3. Step 3: Cross multiply
   105,900.03x = 146,143.06 × 58,154.38
4. Step 4: Simplify right side
   105,900.03x = 8,498,859,045.60
5. Step 5: Solve for x
   x = 8,498,859,045.60/105,900.03
6. Step 6: Final answer
   x = 80,253.60