Finding the Fourth Proportional to 3,030.30, 4,181.86 and 1,686.01

Step by Step Solution

1. Step 1: Write the proportion equation
   3,030.30 : 4,181.86 = 1,686.01 : x
2. Step 2: Convert to fraction form
   3,030.30/4,181.86 = 1,686.01/x
3. Step 3: Cross multiply
   3,030.30x = 4,181.86 × 1,686.01
4. Step 4: Simplify right side
   3,030.30x = 7,050,657.78
5. Step 5: Solve for x
   x = 7,050,657.78/3,030.30
6. Step 6: Final answer
   x = 2,326.72