Finding the Fourth Proportional to 105,902.54, 146,146.52 and 58,156.88

Step by Step Solution

1. Step 1: Write the proportion equation
   105,902.54 : 146,146.52 = 58,156.88 : x
2. Step 2: Convert to fraction form
   105,902.54/146,146.52 = 58,156.88/x
3. Step 3: Cross multiply
   105,902.54x = 146,146.52 × 58,156.88
4. Step 4: Simplify right side
   105,902.54x = 8,499,424,604.54
5. Step 5: Solve for x
   x = 8,499,424,604.54/105,902.54
6. Step 6: Final answer
   x = 80,257.05