Finding the Fourth Proportional to 2,099.31, 3,147.55 and 1,175.51

Step by Step Solution

1. Step 1: Write the proportion equation
   2,099.31 : 3,147.55 = 1,175.51 : x
2. Step 2: Convert to fraction form
   2,099.31/3,147.55 = 1,175.51/x
3. Step 3: Cross multiply
   2,099.31x = 3,147.55 × 1,175.51
4. Step 4: Simplify right side
   2,099.31x = 3,699,957.82
5. Step 5: Solve for x
   x = 3,699,957.82/2,099.31
6. Step 6: Final answer
   x = 1,762.46