Finding the Fourth Proportional to 28,796.56, 43,214.31 and 10,076.76

Step by Step Solution

1. Step 1: Write the proportion equation
   28,796.56 : 43,214.31 = 10,076.76 : x
2. Step 2: Convert to fraction form
   28,796.56/43,214.31 = 10,076.76/x
3. Step 3: Cross multiply
   28,796.56x = 43,214.31 × 10,076.76
4. Step 4: Simplify right side
   28,796.56x = 435,460,365.67
5. Step 5: Solve for x
   x = 435,460,365.67/28,796.56
6. Step 6: Final answer
   x = 15,121.96