Finding the Fourth Proportional to 106,061.54, 146,364.94 and 58,318.10

Step by Step Solution

1. Step 1: Write the proportion equation
   106,061.54 : 146,364.94 = 58,318.10 : x
2. Step 2: Convert to fraction form
   106,061.54/146,364.94 = 58,318.10/x
3. Step 3: Cross multiply
   106,061.54x = 146,364.94 × 58,318.10
4. Step 4: Simplify right side
   106,061.54x = 8,535,725,207.41
5. Step 5: Solve for x
   x = 8,535,725,207.41/106,061.54
6. Step 6: Final answer
   x = 80,478.99