Finding the Fourth Proportional to 10,144.32, 15,216.56 and 2,748.84

Step by Step Solution

1. Step 1: Write the proportion equation
   10,144.32 : 15,216.56 = 2,748.84 : x
2. Step 2: Convert to fraction form
   10,144.32/15,216.56 = 2,748.84/x
3. Step 3: Cross multiply
   10,144.32x = 15,216.56 × 2,748.84
4. Step 4: Simplify right side
   10,144.32x = 41,827,888.79
5. Step 5: Solve for x
   x = 41,827,888.79/10,144.32
6. Step 6: Final answer
   x = 4,123.28