Finding the Fourth Proportional to 5,019.98, 7,526.30 and 2,099.12

Step by Step Solution

1. Step 1: Write the proportion equation
   5,019.98 : 7,526.30 = 2,099.12 : x
2. Step 2: Convert to fraction form
   5,019.98/7,526.30 = 2,099.12/x
3. Step 3: Cross multiply
   5,019.98x = 7,526.30 × 2,099.12
4. Step 4: Simplify right side
   5,019.98x = 15,798,606.86
5. Step 5: Solve for x
   x = 15,798,606.86/5,019.98
6. Step 6: Final answer
   x = 3,147.15