Finding the Fourth Proportional to 9,079.34, 12,521.16 and 5,889.31

Step by Step Solution

1. Step 1: Write the proportion equation
   9,079.34 : 12,521.16 = 5,889.31 : x
2. Step 2: Convert to fraction form
   9,079.34/12,521.16 = 5,889.31/x
3. Step 3: Cross multiply
   9,079.34x = 12,521.16 × 5,889.31
4. Step 4: Simplify right side
   9,079.34x = 73,740,961.50
5. Step 5: Solve for x
   x = 73,740,961.50/9,079.34
6. Step 6: Final answer
   x = 8,121.85