Finding the Fourth Proportional to 9,061.40, 13,593.35 and 2,821.86

Step by Step Solution

1. Step 1: Write the proportion equation
   9,061.40 : 13,593.35 = 2,821.86 : x
2. Step 2: Convert to fraction form
   9,061.40/13,593.35 = 2,821.86/x
3. Step 3: Cross multiply
   9,061.40x = 13,593.35 × 2,821.86
4. Step 4: Simplify right side
   9,061.40x = 38,358,537.69
5. Step 5: Solve for x
   x = 38,358,537.69/9,061.40
6. Step 6: Final answer
   x = 4,233.18