Finding the Fourth Proportional to 105,799.32, 146,006.28 and 58,055.76

Step by Step Solution

1. Step 1: Write the proportion equation
   105,799.32 : 146,006.28 = 58,055.76 : x
2. Step 2: Convert to fraction form
   105,799.32/146,006.28 = 58,055.76/x
3. Step 3: Cross multiply
   105,799.32x = 146,006.28 × 58,055.76
4. Step 4: Simplify right side
   105,799.32x = 8,476,505,550.17
5. Step 5: Solve for x
   x = 8,476,505,550.17/105,799.32
6. Step 6: Final answer
   x = 80,118.71