Finding the Fourth Proportional to 1,171.83, 1,756.13 and 997.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,171.83 : 1,756.13 = 997.59 : x
2. Step 2: Convert to fraction form
   1,171.83/1,756.13 = 997.59/x
3. Step 3: Cross multiply
   1,171.83x = 1,756.13 × 997.59
4. Step 4: Simplify right side
   1,171.83x = 1,751,892.74
5. Step 5: Solve for x
   x = 1,751,892.74/1,171.83
6. Step 6: Final answer
   x = 1,495.01