Finding the Fourth Proportional to 7,804.52, 10,762.80 and 5,111.72

Step by Step Solution

1. Step 1: Write the proportion equation
   7,804.52 : 10,762.80 = 5,111.72 : x
2. Step 2: Convert to fraction form
   7,804.52/10,762.80 = 5,111.72/x
3. Step 3: Cross multiply
   7,804.52x = 10,762.80 × 5,111.72
4. Step 4: Simplify right side
   7,804.52x = 55,016,420.02
5. Step 5: Solve for x
   x = 55,016,420.02/7,804.52
6. Step 6: Final answer
   x = 7,049.30