Finding the Fourth Proportional to 3,507.91, 5,262.12 and 1,008.99

Step by Step Solution

1. Step 1: Write the proportion equation
   3,507.91 : 5,262.12 = 1,008.99 : x
2. Step 2: Convert to fraction form
   3,507.91/5,262.12 = 1,008.99/x
3. Step 3: Cross multiply
   3,507.91x = 5,262.12 × 1,008.99
4. Step 4: Simplify right side
   3,507.91x = 5,309,449.32
5. Step 5: Solve for x
   x = 5,309,449.32/3,507.91
6. Step 6: Final answer
   x = 1,513.57