Finding the Fourth Proportional to 1,569.77, 2,362.52 and 1,181.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,569.77 : 2,362.52 = 1,181.78 : x
2. Step 2: Convert to fraction form
   1,569.77/2,362.52 = 1,181.78/x
3. Step 3: Cross multiply
   1,569.77x = 2,362.52 × 1,181.78
4. Step 4: Simplify right side
   1,569.77x = 2,791,961.16
5. Step 5: Solve for x
   x = 2,791,961.16/1,569.77
6. Step 6: Final answer
   x = 1,778.59