Finding the Fourth Proportional to 4,784.52, 7,178.61 and 2,319.15

Step by Step Solution

1. Step 1: Write the proportion equation
   4,784.52 : 7,178.61 = 2,319.15 : x
2. Step 2: Convert to fraction form
   4,784.52/7,178.61 = 2,319.15/x
3. Step 3: Cross multiply
   4,784.52x = 7,178.61 × 2,319.15
4. Step 4: Simplify right side
   4,784.52x = 16,648,273.38
5. Step 5: Solve for x
   x = 16,648,273.38/4,784.52
6. Step 6: Final answer
   x = 3,479.61