Finding the Fourth Proportional to 5,783.32, 7,980.69 and 3,426.22

Step by Step Solution

1. Step 1: Write the proportion equation
   5,783.32 : 7,980.69 = 3,426.22 : x
2. Step 2: Convert to fraction form
   5,783.32/7,980.69 = 3,426.22/x
3. Step 3: Cross multiply
   5,783.32x = 7,980.69 × 3,426.22
4. Step 4: Simplify right side
   5,783.32x = 27,343,599.69
5. Step 5: Solve for x
   x = 27,343,599.69/5,783.32
6. Step 6: Final answer
   x = 4,728.01