Finding the Fourth Proportional to 11,445.75, 17,166.60 and 5,204.30

Step by Step Solution

1. Step 1: Write the proportion equation
   11,445.75 : 17,166.60 = 5,204.30 : x
2. Step 2: Convert to fraction form
   11,445.75/17,166.60 = 5,204.30/x
3. Step 3: Cross multiply
   11,445.75x = 17,166.60 × 5,204.30
4. Step 4: Simplify right side
   11,445.75x = 89,340,050.55
5. Step 5: Solve for x
   x = 89,340,050.55/11,445.75
6. Step 6: Final answer
   x = 7,805.52