Finding the Fourth Proportional to 7,817.16, 10,786.18 and 5,301.32

Step by Step Solution

1. Step 1: Write the proportion equation
   7,817.16 : 10,786.18 = 5,301.32 : x
2. Step 2: Convert to fraction form
   7,817.16/10,786.18 = 5,301.32/x
3. Step 3: Cross multiply
   7,817.16x = 10,786.18 × 5,301.32
4. Step 4: Simplify right side
   7,817.16x = 57,180,991.76
5. Step 5: Solve for x
   x = 57,180,991.76/7,817.16
6. Step 6: Final answer
   x = 7,314.80