Finding the Fourth Proportional to 1,529.46, 2,109.56 and 1,403.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,529.46 : 2,109.56 = 1,403.83 : x
2. Step 2: Convert to fraction form
   1,529.46/2,109.56 = 1,403.83/x
3. Step 3: Cross multiply
   1,529.46x = 2,109.56 × 1,403.83
4. Step 4: Simplify right side
   1,529.46x = 2,961,463.61
5. Step 5: Solve for x
   x = 2,961,463.61/1,529.46
6. Step 6: Final answer
   x = 1,936.28