Finding the Fourth Proportional to 76,601.38, 105,716.29 and 42,616.27

Step by Step Solution

1. Step 1: Write the proportion equation
   76,601.38 : 105,716.29 = 42,616.27 : x
2. Step 2: Convert to fraction form
   76,601.38/105,716.29 = 42,616.27/x
3. Step 3: Cross multiply
   76,601.38x = 105,716.29 × 42,616.27
4. Step 4: Simplify right side
   76,601.38x = 4,505,233,587.21
5. Step 5: Solve for x
   x = 4,505,233,587.21/76,601.38
6. Step 6: Final answer
   x = 58,814.00