Finding the Fourth Proportional to 77,896.04, 107,496.58 and 42,086.04

Step by Step Solution

1. Step 1: Write the proportion equation
   77,896.04 : 107,496.58 = 42,086.04 : x
2. Step 2: Convert to fraction form
   77,896.04/107,496.58 = 42,086.04/x
3. Step 3: Cross multiply
   77,896.04x = 107,496.58 × 42,086.04
4. Step 4: Simplify right side
   77,896.04x = 4,524,105,365.74
5. Step 5: Solve for x
   x = 4,524,105,365.74/77,896.04
6. Step 6: Final answer
   x = 58,078.76