Finding the Fourth Proportional to 5,185.21, 7,098.34 and 5,148.15

Step by Step Solution

1. Step 1: Write the proportion equation
   5,185.21 : 7,098.34 = 5,148.15 : x
2. Step 2: Convert to fraction form
   5,185.21/7,098.34 = 5,148.15/x
3. Step 3: Cross multiply
   5,185.21x = 7,098.34 × 5,148.15
4. Step 4: Simplify right side
   5,185.21x = 36,543,293.33
5. Step 5: Solve for x
   x = 36,543,293.33/5,185.21
6. Step 6: Final answer
   x = 7,047.61