Finding the Fourth Proportional to 12,528.84, 17,288.52 and 7,492.08

Step by Step Solution

1. Step 1: Write the proportion equation
   12,528.84 : 17,288.52 = 7,492.08 : x
2. Step 2: Convert to fraction form
   12,528.84/17,288.52 = 7,492.08/x
3. Step 3: Cross multiply
   12,528.84x = 17,288.52 × 7,492.08
4. Step 4: Simplify right side
   12,528.84x = 129,526,974.92
5. Step 5: Solve for x
   x = 129,526,974.92/12,528.84
6. Step 6: Final answer
   x = 10,338.31