Finding the Fourth Proportional to 7,182.18, 10,731.42 and 5,300.10

Step by Step Solution

1. Step 1: Write the proportion equation
   7,182.18 : 10,731.42 = 5,300.10 : x
2. Step 2: Convert to fraction form
   7,182.18/10,731.42 = 5,300.10/x
3. Step 3: Cross multiply
   7,182.18x = 10,731.42 × 5,300.10
4. Step 4: Simplify right side
   7,182.18x = 56,877,599.14
5. Step 5: Solve for x
   x = 56,877,599.14/7,182.18
6. Step 6: Final answer
   x = 7,919.27