Finding the Fourth Proportional to 2,111.89, 3,167.54 and 552

Step by Step Solution

1. Step 1: Write the proportion equation
   2,111.89 : 3,167.54 = 552 : x
2. Step 2: Convert to fraction form
   2,111.89/3,167.54 = 552/x
3. Step 3: Cross multiply
   2,111.89x = 3,167.54 × 552
4. Step 4: Simplify right side
   2,111.89x = 1,748,482.08
5. Step 5: Solve for x
   x = 1,748,482.08/2,111.89
6. Step 6: Final answer
   x = 827.92