Finding the Fourth Proportional to 1,776.30, 2,662.05 and 1,569.90

Step by Step Solution

1. Step 1: Write the proportion equation
   1,776.30 : 2,662.05 = 1,569.90 : x
2. Step 2: Convert to fraction form
   1,776.30/2,662.05 = 1,569.90/x
3. Step 3: Cross multiply
   1,776.30x = 2,662.05 × 1,569.90
4. Step 4: Simplify right side
   1,776.30x = 4,179,152.30
5. Step 5: Solve for x
   x = 4,179,152.30/1,776.30
6. Step 6: Final answer
   x = 2,352.73