Finding the Fourth Proportional to 10,728.04, 16,088.10 and 3,706.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,728.04 : 16,088.10 = 3,706.25 : x
2. Step 2: Convert to fraction form
   10,728.04/16,088.10 = 3,706.25/x
3. Step 3: Cross multiply
   10,728.04x = 16,088.10 × 3,706.25
4. Step 4: Simplify right side
   10,728.04x = 59,626,502.81
5. Step 5: Solve for x
   x = 59,626,502.81/10,728.04
6. Step 6: Final answer
   x = 5,558.01