Finding the Fourth Proportional to 7,003.20, 10,502.37 and 2,071.53

Step by Step Solution

1. Step 1: Write the proportion equation
   7,003.20 : 10,502.37 = 2,071.53 : x
2. Step 2: Convert to fraction form
   7,003.20/10,502.37 = 2,071.53/x
3. Step 3: Cross multiply
   7,003.20x = 10,502.37 × 2,071.53
4. Step 4: Simplify right side
   7,003.20x = 21,755,974.53
5. Step 5: Solve for x
   x = 21,755,974.53/7,003.20
6. Step 6: Final answer
   x = 3,106.58