Finding the Fourth Proportional to 2,538,907.29, 3,808,365.03 and 898,804.89

Step by Step Solution

1. Step 1: Write the proportion equation
   2,538,907.29 : 3,808,365.03 = 898,804.89 : x
2. Step 2: Convert to fraction form
   2,538,907.29/3,808,365.03 = 898,804.89/x
3. Step 3: Cross multiply
   2,538,907.29x = 3,808,365.03 × 898,804.89
4. Step 4: Simplify right side
   2,538,907.29x = 3,422,977,111,869.00
5. Step 5: Solve for x
   x = 3,422,977,111,869.00/2,538,907.29
6. Step 6: Final answer
   x = 1,348,208.78