Finding the Fourth Proportional to 4,978.09, 7,468.22 and 1,515.25

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.09 : 7,468.22 = 1,515.25 : x
2. Step 2: Convert to fraction form
   4,978.09/7,468.22 = 1,515.25/x
3. Step 3: Cross multiply
   4,978.09x = 7,468.22 × 1,515.25
4. Step 4: Simplify right side
   4,978.09x = 11,316,212.78
5. Step 5: Solve for x
   x = 11,316,212.78/4,978.09
6. Step 6: Final answer
   x = 2,273.20