Finding the Fourth Proportional to 7,931.53, 10,940.55 and 5,102.59

Step by Step Solution

1. Step 1: Write the proportion equation
   7,931.53 : 10,940.55 = 5,102.59 : x
2. Step 2: Convert to fraction form
   7,931.53/10,940.55 = 5,102.59/x
3. Step 3: Cross multiply
   7,931.53x = 10,940.55 × 5,102.59
4. Step 4: Simplify right side
   7,931.53x = 55,825,141.02
5. Step 5: Solve for x
   x = 55,825,141.02/7,931.53
6. Step 6: Final answer
   x = 7,038.38