Finding the Fourth Proportional to 1,964.30, 2,709.83 and 1,176.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.30 : 2,709.83 = 1,176.98 : x
2. Step 2: Convert to fraction form
   1,964.30/2,709.83 = 1,176.98/x
3. Step 3: Cross multiply
   1,964.30x = 2,709.83 × 1,176.98
4. Step 4: Simplify right side
   1,964.30x = 3,189,409.83
5. Step 5: Solve for x
   x = 3,189,409.83/1,964.30
6. Step 6: Final answer
   x = 1,623.69