Finding the Fourth Proportional to 7,603.94, 10,480.89 and 5,085.13

Step by Step Solution

1. Step 1: Write the proportion equation
   7,603.94 : 10,480.89 = 5,085.13 : x
2. Step 2: Convert to fraction form
   7,603.94/10,480.89 = 5,085.13/x
3. Step 3: Cross multiply
   7,603.94x = 10,480.89 × 5,085.13
4. Step 4: Simplify right side
   7,603.94x = 53,296,688.17
5. Step 5: Solve for x
   x = 53,296,688.17/7,603.94
6. Step 6: Final answer
   x = 7,009.09