Finding the Fourth Proportional to 2,079.31, 3,118.11 and 924.25

Step by Step Solution

1. Step 1: Write the proportion equation
   2,079.31 : 3,118.11 = 924.25 : x
2. Step 2: Convert to fraction form
   2,079.31/3,118.11 = 924.25/x
3. Step 3: Cross multiply
   2,079.31x = 3,118.11 × 924.25
4. Step 4: Simplify right side
   2,079.31x = 2,881,913.17
5. Step 5: Solve for x
   x = 2,881,913.17/2,079.31
6. Step 6: Final answer
   x = 1,385.99