Finding the Fourth Proportional to 3,573.34, 4,931.24 and 2,156.75

Step by Step Solution

1. Step 1: Write the proportion equation
   3,573.34 : 4,931.24 = 2,156.75 : x
2. Step 2: Convert to fraction form
   3,573.34/4,931.24 = 2,156.75/x
3. Step 3: Cross multiply
   3,573.34x = 4,931.24 × 2,156.75
4. Step 4: Simplify right side
   3,573.34x = 10,635,451.87
5. Step 5: Solve for x
   x = 10,635,451.87/3,573.34
6. Step 6: Final answer
   x = 2,976.33