Finding the Fourth Proportional to 7,080.67, 10,621.05 and 1,886.50

Step by Step Solution

1. Step 1: Write the proportion equation
   7,080.67 : 10,621.05 = 1,886.50 : x
2. Step 2: Convert to fraction form
   7,080.67/10,621.05 = 1,886.50/x
3. Step 3: Cross multiply
   7,080.67x = 10,621.05 × 1,886.50
4. Step 4: Simplify right side
   7,080.67x = 20,036,610.83
5. Step 5: Solve for x
   x = 20,036,610.83/7,080.67
6. Step 6: Final answer
   x = 2,829.76