Finding the Fourth Proportional to 10,098.05, 15,150.71 and 5,170.01

Step by Step Solution

1. Step 1: Write the proportion equation
   10,098.05 : 15,150.71 = 5,170.01 : x
2. Step 2: Convert to fraction form
   10,098.05/15,150.71 = 5,170.01/x
3. Step 3: Cross multiply
   10,098.05x = 15,150.71 × 5,170.01
4. Step 4: Simplify right side
   10,098.05x = 78,329,259.38
5. Step 5: Solve for x
   x = 78,329,259.38/10,098.05
6. Step 6: Final answer
   x = 7,756.87