Finding the Fourth Proportional to 2,042.53, 2,818.79 and 1,570.93

Step by Step Solution

1. Step 1: Write the proportion equation
   2,042.53 : 2,818.79 = 1,570.93 : x
2. Step 2: Convert to fraction form
   2,042.53/2,818.79 = 1,570.93/x
3. Step 3: Cross multiply
   2,042.53x = 2,818.79 × 1,570.93
4. Step 4: Simplify right side
   2,042.53x = 4,428,113.92
5. Step 5: Solve for x
   x = 4,428,113.92/2,042.53
6. Step 6: Final answer
   x = 2,167.96