Finding the Fourth Proportional to 12,957.50, 17,883.52 and 9,808.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,957.50 : 17,883.52 = 9,808.22 : x
2. Step 2: Convert to fraction form
   12,957.50/17,883.52 = 9,808.22/x
3. Step 3: Cross multiply
   12,957.50x = 17,883.52 × 9,808.22
4. Step 4: Simplify right side
   12,957.50x = 175,405,498.53
5. Step 5: Solve for x
   x = 175,405,498.53/12,957.50
6. Step 6: Final answer
   x = 13,536.99