Finding the Fourth Proportional to 2,269,643.30, 3,132,013.50 and 1,237,128.36

Step by Step Solution

1. Step 1: Write the proportion equation
   2,269,643.30 : 3,132,013.50 = 1,237,128.36 : x
2. Step 2: Convert to fraction form
   2,269,643.30/3,132,013.50 = 1,237,128.36/x
3. Step 3: Cross multiply
   2,269,643.30x = 3,132,013.50 × 1,237,128.36
4. Step 4: Simplify right side
   2,269,643.30x = 3,874,702,724,752.86
5. Step 5: Solve for x
   x = 3,874,702,724,752.86/2,269,643.30
6. Step 6: Final answer
   x = 1,707,185.76