Finding the Fourth Proportional to 1,625,590.69, 2,243,315.34 and 900,485.37

Step by Step Solution

1. Step 1: Write the proportion equation
   1,625,590.69 : 2,243,315.34 = 900,485.37 : x
2. Step 2: Convert to fraction form
   1,625,590.69/2,243,315.34 = 900,485.37/x
3. Step 3: Cross multiply
   1,625,590.69x = 2,243,315.34 × 900,485.37
4. Step 4: Simplify right side
   1,625,590.69x = 2,020,072,643,966.58
5. Step 5: Solve for x
   x = 2,020,072,643,966.58/1,625,590.69
6. Step 6: Final answer
   x = 1,242,669.91