Finding the Fourth Proportional to 5,665,354.89, 7,817,945.20 and 3,217,958.29

Step by Step Solution

1. Step 1: Write the proportion equation
   5,665,354.89 : 7,817,945.20 = 3,217,958.29 : x
2. Step 2: Convert to fraction form
   5,665,354.89/7,817,945.20 = 3,217,958.29/x
3. Step 3: Cross multiply
   5,665,354.89x = 7,817,945.20 × 3,217,958.29
4. Step 4: Simplify right side
   5,665,354.89x = 25,157,821,567,105.71
5. Step 5: Solve for x
   x = 25,157,821,567,105.71/5,665,354.89
6. Step 6: Final answer
   x = 4,440,643.54