Finding the Fourth Proportional to 9,519.86, 14,280.20 and 2,946.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,519.86 : 14,280.20 = 2,946.17 : x
2. Step 2: Convert to fraction form
   9,519.86/14,280.20 = 2,946.17/x
3. Step 3: Cross multiply
   9,519.86x = 14,280.20 × 2,946.17
4. Step 4: Simplify right side
   9,519.86x = 42,071,896.83
5. Step 5: Solve for x
   x = 42,071,896.83/9,519.86
6. Step 6: Final answer
   x = 4,419.38