Finding the Fourth Proportional to 1,132.47, 1,697.25 and 985.59

Step by Step Solution

1. Step 1: Write the proportion equation
   1,132.47 : 1,697.25 = 985.59 : x
2. Step 2: Convert to fraction form
   1,132.47/1,697.25 = 985.59/x
3. Step 3: Cross multiply
   1,132.47x = 1,697.25 × 985.59
4. Step 4: Simplify right side
   1,132.47x = 1,672,792.63
5. Step 5: Solve for x
   x = 1,672,792.63/1,132.47
6. Step 6: Final answer
   x = 1,477.12