Finding the Fourth Proportional to 7,931.16, 10,940.61 and 5,054.52

Step by Step Solution

1. Step 1: Write the proportion equation
   7,931.16 : 10,940.61 = 5,054.52 : x
2. Step 2: Convert to fraction form
   7,931.16/10,940.61 = 5,054.52/x
3. Step 3: Cross multiply
   7,931.16x = 10,940.61 × 5,054.52
4. Step 4: Simplify right side
   7,931.16x = 55,299,532.06
5. Step 5: Solve for x
   x = 55,299,532.06/7,931.16
6. Step 6: Final answer
   x = 6,972.44