Finding the Fourth Proportional to 2,570.50, 3,531.84 and 2,045.62

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.50 : 3,531.84 = 2,045.62 : x
2. Step 2: Convert to fraction form
   2,570.50/3,531.84 = 2,045.62/x
3. Step 3: Cross multiply
   2,570.50x = 3,531.84 × 2,045.62
4. Step 4: Simplify right side
   2,570.50x = 7,224,802.54
5. Step 5: Solve for x
   x = 7,224,802.54/2,570.50
6. Step 6: Final answer
   x = 2,810.66