Finding the Fourth Proportional to 3,604.79, 4,974.32 and 2,112.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,604.79 : 4,974.32 = 2,112.50 : x
2. Step 2: Convert to fraction form
   3,604.79/4,974.32 = 2,112.50/x
3. Step 3: Cross multiply
   3,604.79x = 4,974.32 × 2,112.50
4. Step 4: Simplify right side
   3,604.79x = 10,508,215.57
5. Step 5: Solve for x
   x = 10,508,215.57/3,604.79
6. Step 6: Final answer
   x = 2,915.07