Finding the Fourth Proportional to 1,880.55, 2,821.55 and 893.52

Step by Step Solution

1. Step 1: Write the proportion equation
   1,880.55 : 2,821.55 = 893.52 : x
2. Step 2: Convert to fraction form
   1,880.55/2,821.55 = 893.52/x
3. Step 3: Cross multiply
   1,880.55x = 2,821.55 × 893.52
4. Step 4: Simplify right side
   1,880.55x = 2,521,111.06
5. Step 5: Solve for x
   x = 2,521,111.06/1,880.55
6. Step 6: Final answer
   x = 1,340.62