Finding the Fourth Proportional to 11,057.32, 16,581.66 and 4,897

Step by Step Solution

1. Step 1: Write the proportion equation
   11,057.32 : 16,581.66 = 4,897 : x
2. Step 2: Convert to fraction form
   11,057.32/16,581.66 = 4,897/x
3. Step 3: Cross multiply
   11,057.32x = 16,581.66 × 4,897
4. Step 4: Simplify right side
   11,057.32x = 81,200,389.02
5. Step 5: Solve for x
   x = 81,200,389.02/11,057.32
6. Step 6: Final answer
   x = 7,343.59