Finding the Fourth Proportional to 1,575.63, 2,350.72 and 1,518.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,575.63 : 2,350.72 = 1,518.90 : x
2. Step 2: Convert to fraction form
   1,575.63/2,350.72 = 1,518.90/x
3. Step 3: Cross multiply
   1,575.63x = 2,350.72 × 1,518.90
4. Step 4: Simplify right side
   1,575.63x = 3,570,514.91
5. Step 5: Solve for x
   x = 3,570,514.91/1,575.63
6. Step 6: Final answer
   x = 2,266.09