Finding the Fourth Proportional to 3,751.32, 5,630.76 and 3,488.88

Step by Step Solution

1. Step 1: Write the proportion equation
   3,751.32 : 5,630.76 = 3,488.88 : x
2. Step 2: Convert to fraction form
   3,751.32/5,630.76 = 3,488.88/x
3. Step 3: Cross multiply
   3,751.32x = 5,630.76 × 3,488.88
4. Step 4: Simplify right side
   3,751.32x = 19,645,045.95
5. Step 5: Solve for x
   x = 19,645,045.95/3,751.32
6. Step 6: Final answer
   x = 5,236.84