Finding the Fourth Proportional to 10,749.90, 16,123.64 and 3,728.62

Step by Step Solution

1. Step 1: Write the proportion equation
   10,749.90 : 16,123.64 = 3,728.62 : x
2. Step 2: Convert to fraction form
   10,749.90/16,123.64 = 3,728.62/x
3. Step 3: Cross multiply
   10,749.90x = 16,123.64 × 3,728.62
4. Step 4: Simplify right side
   10,749.90x = 60,118,926.58
5. Step 5: Solve for x
   x = 60,118,926.58/10,749.90
6. Step 6: Final answer
   x = 5,592.51