Finding the Fourth Proportional to 3,570.96, 4,927.98 and 2,154.72

Step by Step Solution

1. Step 1: Write the proportion equation
   3,570.96 : 4,927.98 = 2,154.72 : x
2. Step 2: Convert to fraction form
   3,570.96/4,927.98 = 2,154.72/x
3. Step 3: Cross multiply
   3,570.96x = 4,927.98 × 2,154.72
4. Step 4: Simplify right side
   3,570.96x = 10,618,417.07
5. Step 5: Solve for x
   x = 10,618,417.07/3,570.96
6. Step 6: Final answer
   x = 2,973.55