Finding the Fourth Proportional to 76,558.73, 105,655.82 and 42,574.82

Step by Step Solution

1. Step 1: Write the proportion equation
   76,558.73 : 105,655.82 = 42,574.82 : x
2. Step 2: Convert to fraction form
   76,558.73/105,655.82 = 42,574.82/x
3. Step 3: Cross multiply
   76,558.73x = 105,655.82 × 42,574.82
4. Step 4: Simplify right side
   76,558.73x = 4,498,276,777.30
5. Step 5: Solve for x
   x = 4,498,276,777.30/76,558.73
6. Step 6: Final answer
   x = 58,755.90