Finding the Fourth Proportional to 2,151.18, 2,969.61 and 1,522.22

Step by Step Solution

1. Step 1: Write the proportion equation
   2,151.18 : 2,969.61 = 1,522.22 : x
2. Step 2: Convert to fraction form
   2,151.18/2,969.61 = 1,522.22/x
3. Step 3: Cross multiply
   2,151.18x = 2,969.61 × 1,522.22
4. Step 4: Simplify right side
   2,151.18x = 4,520,384.89
5. Step 5: Solve for x
   x = 4,520,384.89/2,151.18
6. Step 6: Final answer
   x = 2,101.35