Finding the Fourth Proportional to 12,898.17, 17,799.48 and 7,233.03

Step by Step Solution

1. Step 1: Write the proportion equation
   12,898.17 : 17,799.48 = 7,233.03 : x
2. Step 2: Convert to fraction form
   12,898.17/17,799.48 = 7,233.03/x
3. Step 3: Cross multiply
   12,898.17x = 17,799.48 × 7,233.03
4. Step 4: Simplify right side
   12,898.17x = 128,744,172.82
5. Step 5: Solve for x
   x = 128,744,172.82/12,898.17
6. Step 6: Final answer
   x = 9,981.58