Finding the Fourth Proportional to 5,630.23, 8,443.32 and 1,931.47

Step by Step Solution

1. Step 1: Write the proportion equation
   5,630.23 : 8,443.32 = 1,931.47 : x
2. Step 2: Convert to fraction form
   5,630.23/8,443.32 = 1,931.47/x
3. Step 3: Cross multiply
   5,630.23x = 8,443.32 × 1,931.47
4. Step 4: Simplify right side
   5,630.23x = 16,308,019.28
5. Step 5: Solve for x
   x = 16,308,019.28/5,630.23
6. Step 6: Final answer
   x = 2,896.51