Finding the Fourth Proportional to 9,000.59, 13,490.79 and 3,071.96

Step by Step Solution

1. Step 1: Write the proportion equation
   9,000.59 : 13,490.79 = 3,071.96 : x
2. Step 2: Convert to fraction form
   9,000.59/13,490.79 = 3,071.96/x
3. Step 3: Cross multiply
   9,000.59x = 13,490.79 × 3,071.96
4. Step 4: Simplify right side
   9,000.59x = 41,443,099.79
5. Step 5: Solve for x
   x = 41,443,099.79/9,000.59
6. Step 6: Final answer
   x = 4,604.49