Finding the Fourth Proportional to 5,094.31, 7,639.86 and 1,974.10

Step by Step Solution

1. Step 1: Write the proportion equation
   5,094.31 : 7,639.86 = 1,974.10 : x
2. Step 2: Convert to fraction form
   5,094.31/7,639.86 = 1,974.10/x
3. Step 3: Cross multiply
   5,094.31x = 7,639.86 × 1,974.10
4. Step 4: Simplify right side
   5,094.31x = 15,081,809.43
5. Step 5: Solve for x
   x = 15,081,809.43/5,094.31
6. Step 6: Final answer
   x = 2,960.52