Finding the Fourth Proportional to 1,756.53, 2,422.89 and 1,167.12

Step by Step Solution

1. Step 1: Write the proportion equation
   1,756.53 : 2,422.89 = 1,167.12 : x
2. Step 2: Convert to fraction form
   1,756.53/2,422.89 = 1,167.12/x
3. Step 3: Cross multiply
   1,756.53x = 2,422.89 × 1,167.12
4. Step 4: Simplify right side
   1,756.53x = 2,827,803.38
5. Step 5: Solve for x
   x = 2,827,803.38/1,756.53
6. Step 6: Final answer
   x = 1,609.88