Finding the Fourth Proportional to 2,343,383.86, 3,509,399.38 and 1,621,703.17

Step by Step Solution

1. Step 1: Write the proportion equation
   2,343,383.86 : 3,509,399.38 = 1,621,703.17 : x
2. Step 2: Convert to fraction form
   2,343,383.86/3,509,399.38 = 1,621,703.17/x
3. Step 3: Cross multiply
   2,343,383.86x = 3,509,399.38 × 1,621,703.17
4. Step 4: Simplify right side
   2,343,383.86x = 5,691,204,091,233.52
5. Step 5: Solve for x
   x = 5,691,204,091,233.52/2,343,383.86
6. Step 6: Final answer
   x = 2,428,626.48