Finding the Fourth Proportional to 2,547.38, 3,818.34 and 1,066.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,547.38 : 3,818.34 = 1,066.22 : x
2. Step 2: Convert to fraction form
   2,547.38/3,818.34 = 1,066.22/x
3. Step 3: Cross multiply
   2,547.38x = 3,818.34 × 1,066.22
4. Step 4: Simplify right side
   2,547.38x = 4,071,171.38
5. Step 5: Solve for x
   x = 4,071,171.38/2,547.38
6. Step 6: Final answer
   x = 1,598.18