Finding the Fourth Proportional to 1,382,676.48, 1,907,011.89 and 899,396.01

Step by Step Solution

1. Step 1: Write the proportion equation
   1,382,676.48 : 1,907,011.89 = 899,396.01 : x
2. Step 2: Convert to fraction form
   1,382,676.48/1,907,011.89 = 899,396.01/x
3. Step 3: Cross multiply
   1,382,676.48x = 1,907,011.89 × 899,396.01
4. Step 4: Simplify right side
   1,382,676.48x = 1,715,158,884,888.56
5. Step 5: Solve for x
   x = 1,715,158,884,888.56/1,382,676.48
6. Step 6: Final answer
   x = 1,240,462.91