Finding the Fourth Proportional to 1,630,296.89, 2,249,705.63 and 905,144.42

Step by Step Solution

1. Step 1: Write the proportion equation
   1,630,296.89 : 2,249,705.63 = 905,144.42 : x
2. Step 2: Convert to fraction form
   1,630,296.89/2,249,705.63 = 905,144.42/x
3. Step 3: Cross multiply
   1,630,296.89x = 2,249,705.63 × 905,144.42
4. Step 4: Simplify right side
   1,630,296.89x = 2,036,308,481,862.83
5. Step 5: Solve for x
   x = 2,036,308,481,862.83/1,630,296.89
6. Step 6: Final answer
   x = 1,249,041.51