Finding the Fourth Proportional to 1,751.50, 2,417.10 and 1,131.58

Step by Step Solution

1. Step 1: Write the proportion equation
   1,751.50 : 2,417.10 = 1,131.58 : x
2. Step 2: Convert to fraction form
   1,751.50/2,417.10 = 1,131.58/x
3. Step 3: Cross multiply
   1,751.50x = 2,417.10 × 1,131.58
4. Step 4: Simplify right side
   1,751.50x = 2,735,142.02
5. Step 5: Solve for x
   x = 2,735,142.02/1,751.50
6. Step 6: Final answer
   x = 1,561.60