Finding the Fourth Proportional to 106,131.94, 146,456.30 and 58,377.58

Step by Step Solution

1. Step 1: Write the proportion equation
   106,131.94 : 146,456.30 = 58,377.58 : x
2. Step 2: Convert to fraction form
   106,131.94/146,456.30 = 58,377.58/x
3. Step 3: Cross multiply
   106,131.94x = 146,456.30 × 58,377.58
4. Step 4: Simplify right side
   106,131.94x = 8,549,764,369.75
5. Step 5: Solve for x
   x = 8,549,764,369.75/106,131.94
6. Step 6: Final answer
   x = 80,557.88