Finding the Fourth Proportional to 1,172.93, 1,617.89 and 924.17

Step by Step Solution

1. Step 1: Write the proportion equation
   1,172.93 : 1,617.89 = 924.17 : x
2. Step 2: Convert to fraction form
   1,172.93/1,617.89 = 924.17/x
3. Step 3: Cross multiply
   1,172.93x = 1,617.89 × 924.17
4. Step 4: Simplify right side
   1,172.93x = 1,495,192.69
5. Step 5: Solve for x
   x = 1,495,192.69/1,172.93
6. Step 6: Final answer
   x = 1,274.76