Finding the Fourth Proportional to 10,784.16, 14,884.56 and 7,056

Step by Step Solution

1. Step 1: Write the proportion equation
   10,784.16 : 14,884.56 = 7,056 : x
2. Step 2: Convert to fraction form
   10,784.16/14,884.56 = 7,056/x
3. Step 3: Cross multiply
   10,784.16x = 14,884.56 × 7,056
4. Step 4: Simplify right side
   10,784.16x = 105,025,455.36
5. Step 5: Solve for x
   x = 105,025,455.36/10,784.16
6. Step 6: Final answer
   x = 9,738.86