Finding the Fourth Proportional to 3,569.73, 5,351.52 and 1,380.00

Step by Step Solution

1. Step 1: Write the proportion equation
   3,569.73 : 5,351.52 = 1,380.00 : x
2. Step 2: Convert to fraction form
   3,569.73/5,351.52 = 1,380.00/x
3. Step 3: Cross multiply
   3,569.73x = 5,351.52 × 1,380.00
4. Step 4: Simplify right side
   3,569.73x = 7,385,063.94
5. Step 5: Solve for x
   x = 7,385,063.94/3,569.73
6. Step 6: Final answer
   x = 2,068.80