Finding the Fourth Proportional to 4,978.56, 7,459.44 and 2,375.76

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.56 : 7,459.44 = 2,375.76 : x
2. Step 2: Convert to fraction form
   4,978.56/7,459.44 = 2,375.76/x
3. Step 3: Cross multiply
   4,978.56x = 7,459.44 × 2,375.76
4. Step 4: Simplify right side
   4,978.56x = 17,721,839.17
5. Step 5: Solve for x
   x = 17,721,839.17/4,978.56
6. Step 6: Final answer
   x = 3,559.63