Finding the Fourth Proportional to 17,926.86, 26,870.12 and 8,699.34

Step by Step Solution

1. Step 1: Write the proportion equation
   17,926.86 : 26,870.12 = 8,699.34 : x
2. Step 2: Convert to fraction form
   17,926.86/26,870.12 = 8,699.34/x
3. Step 3: Cross multiply
   17,926.86x = 26,870.12 × 8,699.34
4. Step 4: Simplify right side
   17,926.86x = 233,752,309.72
5. Step 5: Solve for x
   x = 233,752,309.72/17,926.86
6. Step 6: Final answer
   x = 13,039.22