Finding the Fourth Proportional to 9,967.86, 14,934.78 and 7,040.52

Step by Step Solution

1. Step 1: Write the proportion equation
   9,967.86 : 14,934.78 = 7,040.52 : x
2. Step 2: Convert to fraction form
   9,967.86/14,934.78 = 7,040.52/x
3. Step 3: Cross multiply
   9,967.86x = 14,934.78 × 7,040.52
4. Step 4: Simplify right side
   9,967.86x = 105,148,617.29
5. Step 5: Solve for x
   x = 105,148,617.29/9,967.86
6. Step 6: Final answer
   x = 10,548.77