Finding the Fourth Proportional to 105,835.40, 146,052.69 and 58,088.87

Step by Step Solution

1. Step 1: Write the proportion equation
   105,835.40 : 146,052.69 = 58,088.87 : x
2. Step 2: Convert to fraction form
   105,835.40/146,052.69 = 58,088.87/x
3. Step 3: Cross multiply
   105,835.40x = 146,052.69 × 58,088.87
4. Step 4: Simplify right side
   105,835.40x = 8,484,035,722.56
5. Step 5: Solve for x
   x = 8,484,035,722.56/105,835.40
6. Step 6: Final answer
   x = 80,162.55