Finding the Fourth Proportional to 7,501.78, 11,259.52 and 3,806.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,501.78 : 11,259.52 = 3,806.56 : x
2. Step 2: Convert to fraction form
   7,501.78/11,259.52 = 3,806.56/x
3. Step 3: Cross multiply
   7,501.78x = 11,259.52 × 3,806.56
4. Step 4: Simplify right side
   7,501.78x = 42,860,038.45
5. Step 5: Solve for x
   x = 42,860,038.45/7,501.78
6. Step 6: Final answer
   x = 5,713.32