Finding the Fourth Proportional to 2,339,907.21, 3,509,416.89 and 1,140,623.37

Step by Step Solution

1. Step 1: Write the proportion equation
   2,339,907.21 : 3,509,416.89 = 1,140,623.37 : x
2. Step 2: Convert to fraction form
   2,339,907.21/3,509,416.89 = 1,140,623.37/x
3. Step 3: Cross multiply
   2,339,907.21x = 3,509,416.89 × 1,140,623.37
4. Step 4: Simplify right side
   2,339,907.21x = 4,002,922,919,806.72
5. Step 5: Solve for x
   x = 4,002,922,919,806.72/2,339,907.21
6. Step 6: Final answer
   x = 1,710,718.66