Finding the Fourth Proportional to 3,830.58, 5,284.28 and 2,570.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,830.58 : 5,284.28 = 2,570.01 : x
2. Step 2: Convert to fraction form
   3,830.58/5,284.28 = 2,570.01/x
3. Step 3: Cross multiply
   3,830.58x = 5,284.28 × 2,570.01
4. Step 4: Simplify right side
   3,830.58x = 13,580,639.59
5. Step 5: Solve for x
   x = 13,580,639.59/3,830.58
6. Step 6: Final answer
   x = 3,545.32