Finding the Fourth Proportional to 9,719.11, 14,559.59 and 5,042.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,719.11 : 14,559.59 = 5,042.17 : x
2. Step 2: Convert to fraction form
   9,719.11/14,559.59 = 5,042.17/x
3. Step 3: Cross multiply
   9,719.11x = 14,559.59 × 5,042.17
4. Step 4: Simplify right side
   9,719.11x = 73,411,927.91
5. Step 5: Solve for x
   x = 73,411,927.91/9,719.11
6. Step 6: Final answer
   x = 7,553.36