Finding the Fourth Proportional to 2,160.98, 2,977.98 and 1,570.58

Step by Step Solution

1. Step 1: Write the proportion equation
   2,160.98 : 2,977.98 = 1,570.58 : x
2. Step 2: Convert to fraction form
   2,160.98/2,977.98 = 1,570.58/x
3. Step 3: Cross multiply
   2,160.98x = 2,977.98 × 1,570.58
4. Step 4: Simplify right side
   2,160.98x = 4,677,155.83
5. Step 5: Solve for x
   x = 4,677,155.83/2,160.98
6. Step 6: Final answer
   x = 2,164.37