Finding the Fourth Proportional to 17,576.94, 26,363.45 and 4,429.31

Step by Step Solution

1. Step 1: Write the proportion equation
   17,576.94 : 26,363.45 = 4,429.31 : x
2. Step 2: Convert to fraction form
   17,576.94/26,363.45 = 4,429.31/x
3. Step 3: Cross multiply
   17,576.94x = 26,363.45 × 4,429.31
4. Step 4: Simplify right side
   17,576.94x = 116,771,892.72
5. Step 5: Solve for x
   x = 116,771,892.72/17,576.94
6. Step 6: Final answer
   x = 6,643.47