Finding the Fourth Proportional to 76,284.94, 105,275.71 and 42,296.59

Step by Step Solution

1. Step 1: Write the proportion equation
   76,284.94 : 105,275.71 = 42,296.59 : x
2. Step 2: Convert to fraction form
   76,284.94/105,275.71 = 42,296.59/x
3. Step 3: Cross multiply
   76,284.94x = 105,275.71 × 42,296.59
4. Step 4: Simplify right side
   76,284.94x = 4,452,803,542.83
5. Step 5: Solve for x
   x = 4,452,803,542.83/76,284.94
6. Step 6: Final answer
   x = 58,370.68