Finding the Fourth Proportional to 11,131.30, 16,672.64 and 4,882.96

Step by Step Solution

1. Step 1: Write the proportion equation
   11,131.30 : 16,672.64 = 4,882.96 : x
2. Step 2: Convert to fraction form
   11,131.30/16,672.64 = 4,882.96/x
3. Step 3: Cross multiply
   11,131.30x = 16,672.64 × 4,882.96
4. Step 4: Simplify right side
   11,131.30x = 81,411,834.21
5. Step 5: Solve for x
   x = 81,411,834.21/11,131.30
6. Step 6: Final answer
   x = 7,313.78