Finding the Fourth Proportional to 76,653.48, 105,788.10 and 42,668.52

Step by Step Solution

1. Step 1: Write the proportion equation
   76,653.48 : 105,788.10 = 42,668.52 : x
2. Step 2: Convert to fraction form
   76,653.48/105,788.10 = 42,668.52/x
3. Step 3: Cross multiply
   76,653.48x = 105,788.10 × 42,668.52
4. Step 4: Simplify right side
   76,653.48x = 4,513,821,660.61
5. Step 5: Solve for x
   x = 4,513,821,660.61/76,653.48
6. Step 6: Final answer
   x = 58,886.06