Finding the Fourth Proportional to 2,522.89, 3,784.18 and 1,207.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,522.89 : 3,784.18 = 1,207.58 : x
2. Step 2: Convert to fraction form
   2,522.89/3,784.18 = 1,207.58/x
3. Step 3: Cross multiply
   2,522.89x = 3,784.18 × 1,207.58
4. Step 4: Simplify right side
   2,522.89x = 4,569,690.62
5. Step 5: Solve for x
   x = 4,569,690.62/2,522.89
6. Step 6: Final answer
   x = 1,811.29