Finding the Fourth Proportional to 3,580.52, 5,370.17 and 948.05

Step by Step Solution

1. Step 1: Write the proportion equation
   3,580.52 : 5,370.17 = 948.05 : x
2. Step 2: Convert to fraction form
   3,580.52/5,370.17 = 948.05/x
3. Step 3: Cross multiply
   3,580.52x = 5,370.17 × 948.05
4. Step 4: Simplify right side
   3,580.52x = 5,091,158.08
5. Step 5: Solve for x
   x = 5,091,158.08/3,580.52
6. Step 6: Final answer
   x = 1,421.90