Finding the Fourth Proportional to 1,522.58, 2,099.86 and 1,051.23

Step by Step Solution

1. Step 1: Write the proportion equation
   1,522.58 : 2,099.86 = 1,051.23 : x
2. Step 2: Convert to fraction form
   1,522.58/2,099.86 = 1,051.23/x
3. Step 3: Cross multiply
   1,522.58x = 2,099.86 × 1,051.23
4. Step 4: Simplify right side
   1,522.58x = 2,207,435.83
5. Step 5: Solve for x
   x = 2,207,435.83/1,522.58
6. Step 6: Final answer
   x = 1,449.80