Finding the Fourth Proportional to 2,572.89, 3,864.04 and 2,356.01

Step by Step Solution

1. Step 1: Write the proportion equation
   2,572.89 : 3,864.04 = 2,356.01 : x
2. Step 2: Convert to fraction form
   2,572.89/3,864.04 = 2,356.01/x
3. Step 3: Cross multiply
   2,572.89x = 3,864.04 × 2,356.01
4. Step 4: Simplify right side
   2,572.89x = 9,103,706.16
5. Step 5: Solve for x
   x = 9,103,706.16/2,572.89
6. Step 6: Final answer
   x = 3,538.32