Finding the Fourth Proportional to 6,900.72, 10,356.24 and 5,056.52

Step by Step Solution

1. Step 1: Write the proportion equation
   6,900.72 : 10,356.24 = 5,056.52 : x
2. Step 2: Convert to fraction form
   6,900.72/10,356.24 = 5,056.52/x
3. Step 3: Cross multiply
   6,900.72x = 10,356.24 × 5,056.52
4. Step 4: Simplify right side
   6,900.72x = 52,366,534.68
5. Step 5: Solve for x
   x = 52,366,534.68/6,900.72
6. Step 6: Final answer
   x = 7,588.56