Finding the Fourth Proportional to 1,404.76, 2,108.44 and 711.92

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.76 : 2,108.44 = 711.92 : x
2. Step 2: Convert to fraction form
   1,404.76/2,108.44 = 711.92/x
3. Step 3: Cross multiply
   1,404.76x = 2,108.44 × 711.92
4. Step 4: Simplify right side
   1,404.76x = 1,501,040.60
5. Step 5: Solve for x
   x = 1,501,040.60/1,404.76
6. Step 6: Final answer
   x = 1,068.54