Finding the Fourth Proportional to 2,079.34, 3,116.58 and 924.28

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.34 : 3,116.58 = 924.28 : x
2. Step 2: Convert to fraction form
   2,079.34/3,116.58 = 924.28/x
3. Step 3: Cross multiply
   2,079.34x = 3,116.58 × 924.28
4. Step 4: Simplify right side
   2,079.34x = 2,880,592.56
5. Step 5: Solve for x
   x = 2,880,592.56/2,079.34
6. Step 6: Final answer
   x = 1,385.34