Finding the Fourth Proportional to 2,974,896.65, 4,462,345.98 and 815,944.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,974,896.65 : 4,462,345.98 = 815,944.25 : x
2. Step 2: Convert to fraction form
   2,974,896.65/4,462,345.98 = 815,944.25/x
3. Step 3: Cross multiply
   2,974,896.65x = 4,462,345.98 × 815,944.25
4. Step 4: Simplify right side
   2,974,896.65x = 3,641,025,521,579.89
5. Step 5: Solve for x
   x = 3,641,025,521,579.89/2,974,896.65
6. Step 6: Final answer
   x = 1,223,916.65