Finding the Fourth Proportional to 2,532.78, 3,803.86 and 2,071.54

Step by Step Solution

1. Step 1: Write the proportion equation
   2,532.78 : 3,803.86 = 2,071.54 : x
2. Step 2: Convert to fraction form
   2,532.78/3,803.86 = 2,071.54/x
3. Step 3: Cross multiply
   2,532.78x = 3,803.86 × 2,071.54
4. Step 4: Simplify right side
   2,532.78x = 7,879,848.14
5. Step 5: Solve for x
   x = 7,879,848.14/2,532.78
6. Step 6: Final answer
   x = 3,111.15