Finding the Fourth Proportional to 106,976.52, 147,629.89 and 58,580.49

Step by Step Solution

1. Step 1: Write the proportion equation
   106,976.52 : 147,629.89 = 58,580.49 : x
2. Step 2: Convert to fraction form
   106,976.52/147,629.89 = 58,580.49/x
3. Step 3: Cross multiply
   106,976.52x = 147,629.89 × 58,580.49
4. Step 4: Simplify right side
   106,976.52x = 8,648,230,703.15
5. Step 5: Solve for x
   x = 8,648,230,703.15/106,976.52
6. Step 6: Final answer
   x = 80,842.33