Finding the Fourth Proportional to 1,837.55, 2,537.61 and 1,570.43

Step by Step Solution

1. Step 1: Write the proportion equation
   1,837.55 : 2,537.61 = 1,570.43 : x
2. Step 2: Convert to fraction form
   1,837.55/2,537.61 = 1,570.43/x
3. Step 3: Cross multiply
   1,837.55x = 2,537.61 × 1,570.43
4. Step 4: Simplify right side
   1,837.55x = 3,985,126.18
5. Step 5: Solve for x
   x = 3,985,126.18/1,837.55
6. Step 6: Final answer
   x = 2,168.72