Finding the Fourth Proportional to 4,978.41, 7,468.82 and 1,515.66

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.41 : 7,468.82 = 1,515.66 : x
2. Step 2: Convert to fraction form
   4,978.41/7,468.82 = 1,515.66/x
3. Step 3: Cross multiply
   4,978.41x = 7,468.82 × 1,515.66
4. Step 4: Simplify right side
   4,978.41x = 11,320,191.72
5. Step 5: Solve for x
   x = 11,320,191.72/4,978.41
6. Step 6: Final answer
   x = 2,273.86