Finding the Fourth Proportional to 105,941.80, 146,200.08 and 58,196.08

Step by Step Solution

1. Step 1: Write the proportion equation
   105,941.80 : 146,200.08 = 58,196.08 : x
2. Step 2: Convert to fraction form
   105,941.80/146,200.08 = 58,196.08/x
3. Step 3: Cross multiply
   105,941.80x = 146,200.08 × 58,196.08
4. Step 4: Simplify right side
   105,941.80x = 8,508,271,551.69
5. Step 5: Solve for x
   x = 8,508,271,551.69/105,941.80
6. Step 6: Final answer
   x = 80,310.81