Finding the Fourth Proportional to 12,967.83, 17,894.59 and 7,661.66

Step by Step Solution

1. Step 1: Write the proportion equation
   12,967.83 : 17,894.59 = 7,661.66 : x
2. Step 2: Convert to fraction form
   12,967.83/17,894.59 = 7,661.66/x
3. Step 3: Cross multiply
   12,967.83x = 17,894.59 × 7,661.66
4. Step 4: Simplify right side
   12,967.83x = 137,102,155.79
5. Step 5: Solve for x
   x = 137,102,155.79/12,967.83
6. Step 6: Final answer
   x = 10,572.48