Finding the Fourth Proportional to 10,176.56, 15,268.80 and 7,277.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,176.56 : 15,268.80 = 7,277.84 : x
2. Step 2: Convert to fraction form
   10,176.56/15,268.80 = 7,277.84/x
3. Step 3: Cross multiply
   10,176.56x = 15,268.80 × 7,277.84
4. Step 4: Simplify right side
   10,176.56x = 111,123,883.39
5. Step 5: Solve for x
   x = 111,123,883.39/10,176.56
6. Step 6: Final answer
   x = 10,919.59