Finding the Fourth Proportional to 9,005.32, 13,499.34 and 2,845

Step by Step Solution

1. Step 1: Write the proportion equation
   9,005.32 : 13,499.34 = 2,845 : x
2. Step 2: Convert to fraction form
   9,005.32/13,499.34 = 2,845/x
3. Step 3: Cross multiply
   9,005.32x = 13,499.34 × 2,845
4. Step 4: Simplify right side
   9,005.32x = 38,405,622.30
5. Step 5: Solve for x
   x = 38,405,622.30/9,005.32
6. Step 6: Final answer
   x = 4,264.77