Finding the Fourth Proportional to 105,874.32, 146,110.32 and 58,131.32

Step by Step Solution

1. Step 1: Write the proportion equation
   105,874.32 : 146,110.32 = 58,131.32 : x
2. Step 2: Convert to fraction form
   105,874.32/146,110.32 = 58,131.32/x
3. Step 3: Cross multiply
   105,874.32x = 146,110.32 × 58,131.32
4. Step 4: Simplify right side
   105,874.32x = 8,493,585,767.22
5. Step 5: Solve for x
   x = 8,493,585,767.22/105,874.32
6. Step 6: Final answer
   x = 80,223.29