Finding the Fourth Proportional to 78,606.96, 108,479.88 and 42,797.56

Step by Step Solution

1. Step 1: Write the proportion equation
   78,606.96 : 108,479.88 = 42,797.56 : x
2. Step 2: Convert to fraction form
   78,606.96/108,479.88 = 42,797.56/x
3. Step 3: Cross multiply
   78,606.96x = 108,479.88 × 42,797.56
4. Step 4: Simplify right side
   78,606.96x = 4,642,674,173.09
5. Step 5: Solve for x
   x = 4,642,674,173.09/78,606.96
6. Step 6: Final answer
   x = 59,061.87