Finding the Fourth Proportional to 1,964.15, 2,710.42 and 1,079.98

Step by Step Solution

1. Step 1: Write the proportion equation
   1,964.15 : 2,710.42 = 1,079.98 : x
2. Step 2: Convert to fraction form
   1,964.15/2,710.42 = 1,079.98/x
3. Step 3: Cross multiply
   1,964.15x = 2,710.42 × 1,079.98
4. Step 4: Simplify right side
   1,964.15x = 2,927,199.39
5. Step 5: Solve for x
   x = 2,927,199.39/1,964.15
6. Step 6: Final answer
   x = 1,490.31