Finding the Fourth Proportional to 1,359,065.69, 1,873,546.25 and 899,410.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,359,065.69 : 1,873,546.25 = 899,410.23 : x
2. Step 2: Convert to fraction form
   1,359,065.69/1,873,546.25 = 899,410.23/x
3. Step 3: Cross multiply
   1,359,065.69x = 1,873,546.25 × 899,410.23
4. Step 4: Simplify right side
   1,359,065.69x = 1,685,086,664,190.27
5. Step 5: Solve for x
   x = 1,685,086,664,190.27/1,359,065.69
6. Step 6: Final answer
   x = 1,239,886.11