Finding the Fourth Proportional to 3,323.56, 4,985.76 and 1,131.70

Step by Step Solution

1. Step 1: Write the proportion equation
   3,323.56 : 4,985.76 = 1,131.70 : x
2. Step 2: Convert to fraction form
   3,323.56/4,985.76 = 1,131.70/x
3. Step 3: Cross multiply
   3,323.56x = 4,985.76 × 1,131.70
4. Step 4: Simplify right side
   3,323.56x = 5,642,384.59
5. Step 5: Solve for x
   x = 5,642,384.59/3,323.56
6. Step 6: Final answer
   x = 1,697.69