Finding the Fourth Proportional to 2,155,621.18, 3,235,559.10 and 1,144,740.23

Step by Step Solution

1. Step 1: Write the proportion equation
   2,155,621.18 : 3,235,559.10 = 1,144,740.23 : x
2. Step 2: Convert to fraction form
   2,155,621.18/3,235,559.10 = 1,144,740.23/x
3. Step 3: Cross multiply
   2,155,621.18x = 3,235,559.10 × 1,144,740.23
4. Step 4: Simplify right side
   2,155,621.18x = 3,703,874,662,588.89
5. Step 5: Solve for x
   x = 3,703,874,662,588.89/2,155,621.18
6. Step 6: Final answer
   x = 1,718,240.06