Finding the Fourth Proportional to 106,411.67, 146,843.61 and 58,012.55

Step by Step Solution

1. Step 1: Write the proportion equation
   106,411.67 : 146,843.61 = 58,012.55 : x
2. Step 2: Convert to fraction form
   106,411.67/146,843.61 = 58,012.55/x
3. Step 3: Cross multiply
   106,411.67x = 146,843.61 × 58,012.55
4. Step 4: Simplify right side
   106,411.67x = 8,518,772,267.31
5. Step 5: Solve for x
   x = 8,518,772,267.31/106,411.67
6. Step 6: Final answer
   x = 80,054.87