Finding the Fourth Proportional to 1,156.55, 1,734.41 and 924.89

Step by Step Solution

1. Step 1: Write the proportion equation
   1,156.55 : 1,734.41 = 924.89 : x
2. Step 2: Convert to fraction form
   1,156.55/1,734.41 = 924.89/x
3. Step 3: Cross multiply
   1,156.55x = 1,734.41 × 924.89
4. Step 4: Simplify right side
   1,156.55x = 1,604,132.11
5. Step 5: Solve for x
   x = 1,604,132.11/1,156.55
6. Step 6: Final answer
   x = 1,387.00