Finding the Fourth Proportional to 2,524.91, 3,484.00 and 1,405.86

Step by Step Solution

1. Step 1: Write the proportion equation
   2,524.91 : 3,484.00 = 1,405.86 : x
2. Step 2: Convert to fraction form
   2,524.91/3,484.00 = 1,405.86/x
3. Step 3: Cross multiply
   2,524.91x = 3,484.00 × 1,405.86
4. Step 4: Simplify right side
   2,524.91x = 4,897,997.02
5. Step 5: Solve for x
   x = 4,897,997.02/2,524.91
6. Step 6: Final answer
   x = 1,939.87