Finding the Fourth Proportional to 3,478.58, 4,801.33 and 2,151.50

Step by Step Solution

1. Step 1: Write the proportion equation
   3,478.58 : 4,801.33 = 2,151.50 : x
2. Step 2: Convert to fraction form
   3,478.58/4,801.33 = 2,151.50/x
3. Step 3: Cross multiply
   3,478.58x = 4,801.33 × 2,151.50
4. Step 4: Simplify right side
   3,478.58x = 10,330,061.50
5. Step 5: Solve for x
   x = 10,330,061.50/3,478.58
6. Step 6: Final answer
   x = 2,969.62