Finding the Fourth Proportional to 2,225.82, 3,339.93 and 1,071.57

Step by Step Solution

1. Step 1: Write the proportion equation
   2,225.82 : 3,339.93 = 1,071.57 : x
2. Step 2: Convert to fraction form
   2,225.82/3,339.93 = 1,071.57/x
3. Step 3: Cross multiply
   2,225.82x = 3,339.93 × 1,071.57
4. Step 4: Simplify right side
   2,225.82x = 3,578,968.79
5. Step 5: Solve for x
   x = 3,578,968.79/2,225.82
6. Step 6: Final answer
   x = 1,607.93