Finding the Fourth Proportional to 11,041.90, 16,570.12 and 5,200.18

Step by Step Solution

1. Step 1: Write the proportion equation
   11,041.90 : 16,570.12 = 5,200.18 : x
2. Step 2: Convert to fraction form
   11,041.90/16,570.12 = 5,200.18/x
3. Step 3: Cross multiply
   11,041.90x = 16,570.12 × 5,200.18
4. Step 4: Simplify right side
   11,041.90x = 86,167,606.62
5. Step 5: Solve for x
   x = 86,167,606.62/11,041.90
6. Step 6: Final answer
   x = 7,803.69