Finding the Fourth Proportional to 2,160.96, 2,982.06 and 1,573.98

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.96 : 2,982.06 = 1,573.98 : x
2. Step 2: Convert to fraction form
   2,160.96/2,982.06 = 1,573.98/x
3. Step 3: Cross multiply
   2,160.96x = 2,982.06 × 1,573.98
4. Step 4: Simplify right side
   2,160.96x = 4,693,702.80
5. Step 5: Solve for x
   x = 4,693,702.80/2,160.96
6. Step 6: Final answer
   x = 2,172.05