Finding the Fourth Proportional to 67,674.28, 93,301.02 and 55,530.28

Step by Step Solution

1. Step 1: Write the proportion equation
   67,674.28 : 93,301.02 = 55,530.28 : x
2. Step 2: Convert to fraction form
   67,674.28/93,301.02 = 55,530.28/x
3. Step 3: Cross multiply
   67,674.28x = 93,301.02 × 55,530.28
4. Step 4: Simplify right side
   67,674.28x = 5,181,031,764.89
5. Step 5: Solve for x
   x = 5,181,031,764.89/67,674.28
6. Step 6: Final answer
   x = 76,558.36