Finding the Fourth Proportional to 9,719.49, 14,583.34 and 4,789.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.49 : 14,583.34 = 4,789.17 : x
2. Step 2: Convert to fraction form
   9,719.49/14,583.34 = 4,789.17/x
3. Step 3: Cross multiply
   9,719.49x = 14,583.34 × 4,789.17
4. Step 4: Simplify right side
   9,719.49x = 69,842,094.43
5. Step 5: Solve for x
   x = 69,842,094.43/9,719.49
6. Step 6: Final answer
   x = 7,185.78