Finding the Fourth Proportional to 9,012.81, 12,443.82 and 5,874.45

Step by Step Solution

1. Step 1: Write the proportion equation
   9,012.81 : 12,443.82 = 5,874.45 : x
2. Step 2: Convert to fraction form
   9,012.81/12,443.82 = 5,874.45/x
3. Step 3: Cross multiply
   9,012.81x = 12,443.82 × 5,874.45
4. Step 4: Simplify right side
   9,012.81x = 73,100,598.40
5. Step 5: Solve for x
   x = 73,100,598.40/9,012.81
6. Step 6: Final answer
   x = 8,110.74