Finding the Fourth Proportional to 5,076.64, 7,003.56 and 3,060.88

Step by Step Solution

1. Step 1: Write the proportion equation
   5,076.64 : 7,003.56 = 3,060.88 : x
2. Step 2: Convert to fraction form
   5,076.64/7,003.56 = 3,060.88/x
3. Step 3: Cross multiply
   5,076.64x = 7,003.56 × 3,060.88
4. Step 4: Simplify right side
   5,076.64x = 21,437,056.73
5. Step 5: Solve for x
   x = 21,437,056.73/5,076.64
6. Step 6: Final answer
   x = 4,222.69