Finding the Fourth Proportional to 17,947.86, 26,920.25 and 10,926.05

Step by Step Solution

1. Step 1: Write the proportion equation
   17,947.86 : 26,920.25 = 10,926.05 : x
2. Step 2: Convert to fraction form
   17,947.86/26,920.25 = 10,926.05/x
3. Step 3: Cross multiply
   17,947.86x = 26,920.25 × 10,926.05
4. Step 4: Simplify right side
   17,947.86x = 294,132,031.16
5. Step 5: Solve for x
   x = 294,132,031.16/17,947.86
6. Step 6: Final answer
   x = 16,388.14