Finding the Fourth Proportional to 7,131.24, 10,696.89 and 1,937.12

Step by Step Solution

1. Step 1: Write the proportion equation
   7,131.24 : 10,696.89 = 1,937.12 : x
2. Step 2: Convert to fraction form
   7,131.24/10,696.89 = 1,937.12/x
3. Step 3: Cross multiply
   7,131.24x = 10,696.89 × 1,937.12
4. Step 4: Simplify right side
   7,131.24x = 20,721,113.34
5. Step 5: Solve for x
   x = 20,721,113.34/7,131.24
6. Step 6: Final answer
   x = 2,905.68