Finding the Fourth Proportional to 4,978.34, 7,468.73 and 1,515.59

Step by Step Solution

1. Step 1: Write the proportion equation
   4,978.34 : 7,468.73 = 1,515.59 : x
2. Step 2: Convert to fraction form
   4,978.34/7,468.73 = 1,515.59/x
3. Step 3: Cross multiply
   4,978.34x = 7,468.73 × 1,515.59
4. Step 4: Simplify right side
   4,978.34x = 11,319,549.28
5. Step 5: Solve for x
   x = 11,319,549.28/4,978.34
6. Step 6: Final answer
   x = 2,273.76