Finding the Fourth Proportional to 1,663,057.72, 2,295,019.83 and 899,111.08

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,057.72 : 2,295,019.83 = 899,111.08 : x
2. Step 2: Convert to fraction form
   1,663,057.72/2,295,019.83 = 899,111.08/x
3. Step 3: Cross multiply
   1,663,057.72x = 2,295,019.83 × 899,111.08
4. Step 4: Simplify right side
   1,663,057.72x = 2,063,477,757,972.72
5. Step 5: Solve for x
   x = 2,063,477,757,972.72/1,663,057.72
6. Step 6: Final answer
   x = 1,240,773.39