Finding the Fourth Proportional to 5,672.99, 8,486.59 and 5,082.16

Step by Step Solution

1. Step 1: Write the proportion equation
   5,672.99 : 8,486.59 = 5,082.16 : x
2. Step 2: Convert to fraction form
   5,672.99/8,486.59 = 5,082.16/x
3. Step 3: Cross multiply
   5,672.99x = 8,486.59 × 5,082.16
4. Step 4: Simplify right side
   5,672.99x = 43,130,142.51
5. Step 5: Solve for x
   x = 43,130,142.51/5,672.99
6. Step 6: Final answer
   x = 7,602.72