Finding the Fourth Proportional to 105,818.04, 146,030.69 and 58,075.83

Step by Step Solution

1. Step 1: Write the proportion equation
   105,818.04 : 146,030.69 = 58,075.83 : x
2. Step 2: Convert to fraction form
   105,818.04/146,030.69 = 58,075.83/x
3. Step 3: Cross multiply
   105,818.04x = 146,030.69 × 58,075.83
4. Step 4: Simplify right side
   105,818.04x = 8,480,853,236.84
5. Step 5: Solve for x
   x = 8,480,853,236.84/105,818.04
6. Step 6: Final answer
   x = 80,145.63