Finding the Fourth Proportional to 2,245,749, 3,099,141.60 and 1,227,153.72

Step by Step Solution

1. Step 1: Write the proportion equation
   2,245,749 : 3,099,141.60 = 1,227,153.72 : x
2. Step 2: Convert to fraction form
   2,245,749/3,099,141.60 = 1,227,153.72/x
3. Step 3: Cross multiply
   2,245,749x = 3,099,141.60 × 1,227,153.72
4. Step 4: Simplify right side
   2,245,749x = 3,803,123,143,246.75
5. Step 5: Solve for x
   x = 3,803,123,143,246.75/2,245,749
6. Step 6: Final answer
   x = 1,693,476.49