Finding the Fourth Proportional to 9,423.78, 13,004.88 and 5,889.06

Step by Step Solution

1. Step 1: Write the proportion equation
   9,423.78 : 13,004.88 = 5,889.06 : x
2. Step 2: Convert to fraction form
   9,423.78/13,004.88 = 5,889.06/x
3. Step 3: Cross multiply
   9,423.78x = 13,004.88 × 5,889.06
4. Step 4: Simplify right side
   9,423.78x = 76,586,518.61
5. Step 5: Solve for x
   x = 76,586,518.61/9,423.78
6. Step 6: Final answer
   x = 8,126.94