Finding the Fourth Proportional to 2,490,111.20, 3,735,604.20 and 893,601.20

Step by Step Solution

1. Step 1: Write the proportion equation
   2,490,111.20 : 3,735,604.20 = 893,601.20 : x
2. Step 2: Convert to fraction form
   2,490,111.20/3,735,604.20 = 893,601.20/x
3. Step 3: Cross multiply
   2,490,111.20x = 3,735,604.20 × 893,601.20
4. Step 4: Simplify right side
   2,490,111.20x = 3,338,140,395,845.04
5. Step 5: Solve for x
   x = 3,338,140,395,845.04/2,490,111.20
6. Step 6: Final answer
   x = 1,340,558.77