Finding the Fourth Proportional to 5,428,878.06, 7,494,760.24 and 4,185,773.30

Step by Step Solution

1. Step 1: Write the proportion equation
   5,428,878.06 : 7,494,760.24 = 4,185,773.30 : x
2. Step 2: Convert to fraction form
   5,428,878.06/7,494,760.24 = 4,185,773.30/x
3. Step 3: Cross multiply
   5,428,878.06x = 7,494,760.24 × 4,185,773.30
4. Step 4: Simplify right side
   5,428,878.06x = 31,371,367,302,493.59
5. Step 5: Solve for x
   x = 31,371,367,302,493.59/5,428,878.06
6. Step 6: Final answer
   x = 5,778,609.68