Finding the Fourth Proportional to 17,155.86, 25,729.91 and 8,713.81

Step by Step Solution

1. Step 1: Write the proportion equation
   17,155.86 : 25,729.91 = 8,713.81 : x
2. Step 2: Convert to fraction form
   17,155.86/25,729.91 = 8,713.81/x
3. Step 3: Cross multiply
   17,155.86x = 25,729.91 × 8,713.81
4. Step 4: Simplify right side
   17,155.86x = 224,205,547.06
5. Step 5: Solve for x
   x = 224,205,547.06/17,155.86
6. Step 6: Final answer
   x = 13,068.75