Finding the Fourth Proportional to 103,674.02, 142,939.37 and 67,807.22

Step by Step Solution

1. Step 1: Write the proportion equation
   103,674.02 : 142,939.37 = 67,807.22 : x
2. Step 2: Convert to fraction form
   103,674.02/142,939.37 = 67,807.22/x
3. Step 3: Cross multiply
   103,674.02x = 142,939.37 × 67,807.22
4. Step 4: Simplify right side
   103,674.02x = 9,692,320,969.22
5. Step 5: Solve for x
   x = 9,692,320,969.22/103,674.02
6. Step 6: Final answer
   x = 93,488.43