Finding the Fourth Proportional to 1,777.00, 2,451.54 and 1,179.78

Step by Step Solution

1. Step 1: Write the proportion equation
   1,777.00 : 2,451.54 = 1,179.78 : x
2. Step 2: Convert to fraction form
   1,777.00/2,451.54 = 1,179.78/x
3. Step 3: Cross multiply
   1,777.00x = 2,451.54 × 1,179.78
4. Step 4: Simplify right side
   1,777.00x = 2,892,267.31
5. Step 5: Solve for x
   x = 2,892,267.31/1,777.00
6. Step 6: Final answer
   x = 1,627.62