Finding the Fourth Proportional to 17,813.62, 26,716.89 and 5,164.86

Step by Step Solution

1. Step 1: Write the proportion equation
   17,813.62 : 26,716.89 = 5,164.86 : x
2. Step 2: Convert to fraction form
   17,813.62/26,716.89 = 5,164.86/x
3. Step 3: Cross multiply
   17,813.62x = 26,716.89 × 5,164.86
4. Step 4: Simplify right side
   17,813.62x = 137,989,116.04
5. Step 5: Solve for x
   x = 137,989,116.04/17,813.62
6. Step 6: Final answer
   x = 7,746.27