Finding the Fourth Proportional to 2,350.86, 3,526.78 and 707.56

Step by Step Solution

1. Step 1: Write the proportion equation
   2,350.86 : 3,526.78 = 707.56 : x
2. Step 2: Convert to fraction form
   2,350.86/3,526.78 = 707.56/x
3. Step 3: Cross multiply
   2,350.86x = 3,526.78 × 707.56
4. Step 4: Simplify right side
   2,350.86x = 2,495,408.46
5. Step 5: Solve for x
   x = 2,495,408.46/2,350.86
6. Step 6: Final answer
   x = 1,061.49