Finding the Fourth Proportional to 2,094.20, 3,139.24 and 924.84

Step by Step Solution

1. Step 1: Write the proportion equation
   2,094.20 : 3,139.24 = 924.84 : x
2. Step 2: Convert to fraction form
   2,094.20/3,139.24 = 924.84/x
3. Step 3: Cross multiply
   2,094.20x = 3,139.24 × 924.84
4. Step 4: Simplify right side
   2,094.20x = 2,903,294.72
5. Step 5: Solve for x
   x = 2,903,294.72/2,094.20
6. Step 6: Final answer
   x = 1,386.35