Finding the Fourth Proportional to 2,572.16, 3,860.06 and 1,842.35

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.16 : 3,860.06 = 1,842.35 : x
2. Step 2: Convert to fraction form
   2,572.16/3,860.06 = 1,842.35/x
3. Step 3: Cross multiply
   2,572.16x = 3,860.06 × 1,842.35
4. Step 4: Simplify right side
   2,572.16x = 7,111,553.03
5. Step 5: Solve for x
   x = 7,111,553.03/2,572.16
6. Step 6: Final answer
   x = 2,764.82