Finding the Fourth Proportional to 3,132.50, 4,699.47 and 1,080.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,132.50 : 4,699.47 = 1,080.50 : x
2. Step 2: Convert to fraction form
   3,132.50/4,699.47 = 1,080.50/x
3. Step 3: Cross multiply
   3,132.50x = 4,699.47 × 1,080.50
4. Step 4: Simplify right side
   3,132.50x = 5,077,777.34
5. Step 5: Solve for x
   x = 5,077,777.34/3,132.50
6. Step 6: Final answer
   x = 1,621.00