Finding the Fourth Proportional to 10,056.28, 15,069.02 and 5,118.52

Step by Step Solution

1. Step 1: Write the proportion equation
   10,056.28 : 15,069.02 = 5,118.52 : x
2. Step 2: Convert to fraction form
   10,056.28/15,069.02 = 5,118.52/x
3. Step 3: Cross multiply
   10,056.28x = 15,069.02 × 5,118.52
4. Step 4: Simplify right side
   10,056.28x = 77,131,080.25
5. Step 5: Solve for x
   x = 77,131,080.25/10,056.28
6. Step 6: Final answer
   x = 7,669.94