Finding the Fourth Proportional to 106,196.76, 146,555.67 and 58,454.55

Step by Step Solution

1. Step 1: Write the proportion equation
   106,196.76 : 146,555.67 = 58,454.55 : x
2. Step 2: Convert to fraction form
   106,196.76/146,555.67 = 58,454.55/x
3. Step 3: Cross multiply
   106,196.76x = 146,555.67 × 58,454.55
4. Step 4: Simplify right side
   106,196.76x = 8,566,845,739.80
5. Step 5: Solve for x
   x = 8,566,845,739.80/106,196.76
6. Step 6: Final answer
   x = 80,669.56