Finding the Fourth Proportional to 11,434.29, 15,780.72 and 6,958.50

Step by Step Solution

1. Step 1: Write the proportion equation
   11,434.29 : 15,780.72 = 6,958.50 : x
2. Step 2: Convert to fraction form
   11,434.29/15,780.72 = 6,958.50/x
3. Step 3: Cross multiply
   11,434.29x = 15,780.72 × 6,958.50
4. Step 4: Simplify right side
   11,434.29x = 109,810,140.12
5. Step 5: Solve for x
   x = 109,810,140.12/11,434.29
6. Step 6: Final answer
   x = 9,603.58