Finding the Fourth Proportional to 3,573.60, 4,931.56 and 2,176.34

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.60 : 4,931.56 = 2,176.34 : x
2. Step 2: Convert to fraction form
   3,573.60/4,931.56 = 2,176.34/x
3. Step 3: Cross multiply
   3,573.60x = 4,931.56 × 2,176.34
4. Step 4: Simplify right side
   3,573.60x = 10,732,751.29
5. Step 5: Solve for x
   x = 10,732,751.29/3,573.60
6. Step 6: Final answer
   x = 3,003.34