Finding the Fourth Proportional to 11,069.15, 16,560.52 and 7,052.90

Step by Step Solution

1. Step 1: Write the proportion equation
   11,069.15 : 16,560.52 = 7,052.90 : x
2. Step 2: Convert to fraction form
   11,069.15/16,560.52 = 7,052.90/x
3. Step 3: Cross multiply
   11,069.15x = 16,560.52 × 7,052.90
4. Step 4: Simplify right side
   11,069.15x = 116,799,591.07
5. Step 5: Solve for x
   x = 116,799,591.07/11,069.15
6. Step 6: Final answer
   x = 10,551.82