Finding the Fourth Proportional to 3,898,436.88, 5,377,683.05 and 2,266,663.89

Step by Step Solution

1. Step 1: Write the proportion equation
   3,898,436.88 : 5,377,683.05 = 2,266,663.89 : x
2. Step 2: Convert to fraction form
   3,898,436.88/5,377,683.05 = 2,266,663.89/x
3. Step 3: Cross multiply
   3,898,436.88x = 5,377,683.05 × 2,266,663.89
4. Step 4: Simplify right side
   3,898,436.88x = 12,189,399,968,383.58
5. Step 5: Solve for x
   x = 12,189,399,968,383.58/3,898,436.88
6. Step 6: Final answer
   x = 3,126,740.37