Finding the Fourth Proportional to 11,451.62, 17,175.40 and 5,210.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,451.62 : 17,175.40 = 5,210.18 : x
2. Step 2: Convert to fraction form
   11,451.62/17,175.40 = 5,210.18/x
3. Step 3: Cross multiply
   11,451.62x = 17,175.40 × 5,210.18
4. Step 4: Simplify right side
   11,451.62x = 89,486,925.57
5. Step 5: Solve for x
   x = 89,486,925.57/11,451.62
6. Step 6: Final answer
   x = 7,814.35