Finding the Fourth Proportional to 105,820.92, 146,028.27 and 58,075.06

Step by Step Solution

1. Step 1: Write the proportion equation
   105,820.92 : 146,028.27 = 58,075.06 : x
2. Step 2: Convert to fraction form
   105,820.92/146,028.27 = 58,075.06/x
3. Step 3: Cross multiply
   105,820.92x = 146,028.27 × 58,075.06
4. Step 4: Simplify right side
   105,820.92x = 8,480,600,541.95
5. Step 5: Solve for x
   x = 8,480,600,541.95/105,820.92
6. Step 6: Final answer
   x = 80,141.06