Finding the Fourth Proportional to 2,605,870.44, 3,907,845 and 899,579.52

Step by Step Solution

1. Step 1: Write the proportion equation
   2,605,870.44 : 3,907,845 = 899,579.52 : x
2. Step 2: Convert to fraction form
   2,605,870.44/3,907,845 = 899,579.52/x
3. Step 3: Cross multiply
   2,605,870.44x = 3,907,845 × 899,579.52
4. Step 4: Simplify right side
   2,605,870.44x = 3,515,417,329,334.40
5. Step 5: Solve for x
   x = 3,515,417,329,334.40/2,605,870.44
6. Step 6: Final answer
   x = 1,349,037.65