Finding the Fourth Proportional to 6,573.84, 9,066.78 and 3,920.69

Step by Step Solution

1. Step 1: Write the proportion equation
   6,573.84 : 9,066.78 = 3,920.69 : x
2. Step 2: Convert to fraction form
   6,573.84/9,066.78 = 3,920.69/x
3. Step 3: Cross multiply
   6,573.84x = 9,066.78 × 3,920.69
4. Step 4: Simplify right side
   6,573.84x = 35,547,988.34
5. Step 5: Solve for x
   x = 35,547,988.34/6,573.84
6. Step 6: Final answer
   x = 5,407.49