Finding the Fourth Proportional to 6,087.30, 8,381.73 and 5,189.02

Step by Step Solution

1. Step 1: Write the proportion equation
   6,087.30 : 8,381.73 = 5,189.02 : x
2. Step 2: Convert to fraction form
   6,087.30/8,381.73 = 5,189.02/x
3. Step 3: Cross multiply
   6,087.30x = 8,381.73 × 5,189.02
4. Step 4: Simplify right side
   6,087.30x = 43,492,984.81
5. Step 5: Solve for x
   x = 43,492,984.81/6,087.30
6. Step 6: Final answer
   x = 7,144.88