Finding the Fourth Proportional to 10,748.82, 16,120.35 and 2,955.78

Step by Step Solution

1. Step 1: Write the proportion equation
   10,748.82 : 16,120.35 = 2,955.78 : x
2. Step 2: Convert to fraction form
   10,748.82/16,120.35 = 2,955.78/x
3. Step 3: Cross multiply
   10,748.82x = 16,120.35 × 2,955.78
4. Step 4: Simplify right side
   10,748.82x = 47,648,208.12
5. Step 5: Solve for x
   x = 47,648,208.12/10,748.82
6. Step 6: Final answer
   x = 4,432.88