Finding the Fourth Proportional to 10,709.42, 16,060.88 and 3,688.20

Step by Step Solution

1. Step 1: Write the proportion equation
   10,709.42 : 16,060.88 = 3,688.20 : x
2. Step 2: Convert to fraction form
   10,709.42/16,060.88 = 3,688.20/x
3. Step 3: Cross multiply
   10,709.42x = 16,060.88 × 3,688.20
4. Step 4: Simplify right side
   10,709.42x = 59,235,746.84
5. Step 5: Solve for x
   x = 59,235,746.84/10,709.42
6. Step 6: Final answer
   x = 5,531.18