Finding the Fourth Proportional to 2,196,433, 3,031,128.74 and 1,229,538.92

Step by Step Solution

1. Step 1: Write the proportion equation
   2,196,433 : 3,031,128.74 = 1,229,538.92 : x
2. Step 2: Convert to fraction form
   2,196,433/3,031,128.74 = 1,229,538.92/x
3. Step 3: Cross multiply
   2,196,433x = 3,031,128.74 × 1,229,538.92
4. Step 4: Simplify right side
   2,196,433x = 3,726,890,757,360.56
5. Step 5: Solve for x
   x = 3,726,890,757,360.56/2,196,433
6. Step 6: Final answer
   x = 1,696,792.37