Finding the Fourth Proportional to 5,328.84, 7,992.72 and 1,631.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,328.84 : 7,992.72 = 1,631.10 : x
2. Step 2: Convert to fraction form
   5,328.84/7,992.72 = 1,631.10/x
3. Step 3: Cross multiply
   5,328.84x = 7,992.72 × 1,631.10
4. Step 4: Simplify right side
   5,328.84x = 13,036,925.59
5. Step 5: Solve for x
   x = 13,036,925.59/5,328.84
6. Step 6: Final answer
   x = 2,446.48