Finding the Fourth Proportional to 2,552.34, 3,523.86 and 1,991.82

Step by Step Solution

1. Step 1: Write the proportion equation
   2,552.34 : 3,523.86 = 1,991.82 : x
2. Step 2: Convert to fraction form
   2,552.34/3,523.86 = 1,991.82/x
3. Step 3: Cross multiply
   2,552.34x = 3,523.86 × 1,991.82
4. Step 4: Simplify right side
   2,552.34x = 7,018,894.83
5. Step 5: Solve for x
   x = 7,018,894.83/2,552.34
6. Step 6: Final answer
   x = 2,749.98