Finding the Fourth Proportional to 5,300.64, 7,948.22 and 2,180.08

Step by Step Solution

1. Step 1: Write the proportion equation
   5,300.64 : 7,948.22 = 2,180.08 : x
2. Step 2: Convert to fraction form
   5,300.64/7,948.22 = 2,180.08/x
3. Step 3: Cross multiply
   5,300.64x = 7,948.22 × 2,180.08
4. Step 4: Simplify right side
   5,300.64x = 17,327,755.46
5. Step 5: Solve for x
   x = 17,327,755.46/5,300.64
6. Step 6: Final answer
   x = 3,268.99