Finding the Fourth Proportional to 105,596.33, 145,714.55 and 57,849.26

Step by Step Solution

1. Step 1: Write the proportion equation
   105,596.33 : 145,714.55 = 57,849.26 : x
2. Step 2: Convert to fraction form
   105,596.33/145,714.55 = 57,849.26/x
3. Step 3: Cross multiply
   105,596.33x = 145,714.55 × 57,849.26
4. Step 4: Simplify right side
   105,596.33x = 8,429,477,870.91
5. Step 5: Solve for x
   x = 8,429,477,870.91/105,596.33
6. Step 6: Final answer
   x = 79,827.38