Finding the Fourth Proportional to 11,047.14, 16,570.62 and 5,200.56

Step by Step Solution

1. Step 1: Write the proportion equation
   11,047.14 : 16,570.62 = 5,200.56 : x
2. Step 2: Convert to fraction form
   11,047.14/16,570.62 = 5,200.56/x
3. Step 3: Cross multiply
   11,047.14x = 16,570.62 × 5,200.56
4. Step 4: Simplify right side
   11,047.14x = 86,176,503.55
5. Step 5: Solve for x
   x = 86,176,503.55/11,047.14
6. Step 6: Final answer
   x = 7,800.80