Finding the Fourth Proportional to 105,592.56, 145,716.24 and 57,846.24

Step by Step Solution

1. Step 1: Write the proportion equation
   105,592.56 : 145,716.24 = 57,846.24 : x
2. Step 2: Convert to fraction form
   105,592.56/145,716.24 = 57,846.24/x
3. Step 3: Cross multiply
   105,592.56x = 145,716.24 × 57,846.24
4. Step 4: Simplify right side
   105,592.56x = 8,429,136,590.94
5. Step 5: Solve for x
   x = 8,429,136,590.94/105,592.56
6. Step 6: Final answer
   x = 79,826.99