Finding the Fourth Proportional to 14,076.24, 21,099.72 and 7,415.76

Step by Step Solution

1. Step 1: Write the proportion equation
   14,076.24 : 21,099.72 = 7,415.76 : x
2. Step 2: Convert to fraction form
   14,076.24/21,099.72 = 7,415.76/x
3. Step 3: Cross multiply
   14,076.24x = 21,099.72 × 7,415.76
4. Step 4: Simplify right side
   14,076.24x = 156,470,459.59
5. Step 5: Solve for x
   x = 156,470,459.59/14,076.24
6. Step 6: Final answer
   x = 11,115.93