Finding the Fourth Proportional to 2,347.86, 3,520.89 and 704.46

Step by Step Solution

1. Step 1: Write the proportion equation
   2,347.86 : 3,520.89 = 704.46 : x
2. Step 2: Convert to fraction form
   2,347.86/3,520.89 = 704.46/x
3. Step 3: Cross multiply
   2,347.86x = 3,520.89 × 704.46
4. Step 4: Simplify right side
   2,347.86x = 2,480,326.17
5. Step 5: Solve for x
   x = 2,480,326.17/2,347.86
6. Step 6: Final answer
   x = 1,056.42