Finding the Fourth Proportional to 2,570.34, 3,855.45 and 1,473.90

Step by Step Solution

1. Step 1: Write the proportion equation
   2,570.34 : 3,855.45 = 1,473.90 : x
2. Step 2: Convert to fraction form
   2,570.34/3,855.45 = 1,473.90/x
3. Step 3: Cross multiply
   2,570.34x = 3,855.45 × 1,473.90
4. Step 4: Simplify right side
   2,570.34x = 5,682,547.76
5. Step 5: Solve for x
   x = 5,682,547.76/2,570.34
6. Step 6: Final answer
   x = 2,210.82