Finding the Fourth Proportional to 78,673.64, 108,566.24 and 42,863.94

Step by Step Solution

1. Step 1: Write the proportion equation
   78,673.64 : 108,566.24 = 42,863.94 : x
2. Step 2: Convert to fraction form
   78,673.64/108,566.24 = 42,863.94/x
3. Step 3: Cross multiply
   78,673.64x = 108,566.24 × 42,863.94
4. Step 4: Simplify right side
   78,673.64x = 4,653,576,583.07
5. Step 5: Solve for x
   x = 4,653,576,583.07/78,673.64
6. Step 6: Final answer
   x = 59,150.39