Finding the Fourth Proportional to 2,151,615.69, 3,226,490.42 and 731,290.41

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151,615.69 : 3,226,490.42 = 731,290.41 : x
2. Step 2: Convert to fraction form
   2,151,615.69/3,226,490.42 = 731,290.41/x
3. Step 3: Cross multiply
   2,151,615.69x = 3,226,490.42 × 731,290.41
4. Step 4: Simplify right side
   2,151,615.69x = 2,359,501,498,446.42
5. Step 5: Solve for x
   x = 2,359,501,498,446.42/2,151,615.69
6. Step 6: Final answer
   x = 1,096,618.47