Finding the Fourth Proportional to 3,945.52, 5,444.84 and 2,152.98

Step by Step Solution

1. Step 1: Write the proportion equation
   3,945.52 : 5,444.84 = 2,152.98 : x
2. Step 2: Convert to fraction form
   3,945.52/5,444.84 = 2,152.98/x
3. Step 3: Cross multiply
   3,945.52x = 5,444.84 × 2,152.98
4. Step 4: Simplify right side
   3,945.52x = 11,722,608.51
5. Step 5: Solve for x
   x = 11,722,608.51/3,945.52
6. Step 6: Final answer
   x = 2,971.12