Finding the Fourth Proportional to 1,663,086.48, 2,295,064.92 and 899,145.48

Step by Step Solution

1. Step 1: Write the proportion equation
   1,663,086.48 : 2,295,064.92 = 899,145.48 : x
2. Step 2: Convert to fraction form
   1,663,086.48/2,295,064.92 = 899,145.48/x
3. Step 3: Cross multiply
   1,663,086.48x = 2,295,064.92 × 899,145.48
4. Step 4: Simplify right side
   1,663,086.48x = 2,063,597,249,124.56
5. Step 5: Solve for x
   x = 2,063,597,249,124.56/1,663,086.48
6. Step 6: Final answer
   x = 1,240,823.78