Finding the Fourth Proportional to 105,980.19, 146,249.71 and 58,233.52

Step by Step Solution

1. Step 1: Write the proportion equation
   105,980.19 : 146,249.71 = 58,233.52 : x
2. Step 2: Convert to fraction form
   105,980.19/146,249.71 = 58,233.52/x
3. Step 3: Cross multiply
   105,980.19x = 146,249.71 × 58,233.52
4. Step 4: Simplify right side
   105,980.19x = 8,516,635,412.28
5. Step 5: Solve for x
   x = 8,516,635,412.28/105,980.19
6. Step 6: Final answer
   x = 80,360.64