Finding the Fourth Proportional to 7,131.03, 10,699.58 and 4,938.56

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.03 : 10,699.58 = 4,938.56 : x
2. Step 2: Convert to fraction form
   7,131.03/10,699.58 = 4,938.56/x
3. Step 3: Cross multiply
   7,131.03x = 10,699.58 × 4,938.56
4. Step 4: Simplify right side
   7,131.03x = 52,840,517.80
5. Step 5: Solve for x
   x = 52,840,517.80/7,131.03
6. Step 6: Final answer
   x = 7,409.94