Finding the Fourth Proportional to 7,499.57, 11,256.20 and 3,804.35

Step by Step Solution

1. Step 1: Write the proportion equation
   7,499.57 : 11,256.20 = 3,804.35 : x
2. Step 2: Convert to fraction form
   7,499.57/11,256.20 = 3,804.35/x
3. Step 3: Cross multiply
   7,499.57x = 11,256.20 × 3,804.35
4. Step 4: Simplify right side
   7,499.57x = 42,822,449.17
5. Step 5: Solve for x
   x = 42,822,449.17/7,499.57
6. Step 6: Final answer
   x = 5,709.99