Finding the Fourth Proportional to 3,707.96, 5,088.48 and 3,499.28

Step by Step Solution

1. Step 1: Write the proportion equation
   3,707.96 : 5,088.48 = 3,499.28 : x
2. Step 2: Convert to fraction form
   3,707.96/5,088.48 = 3,499.28/x
3. Step 3: Cross multiply
   3,707.96x = 5,088.48 × 3,499.28
4. Step 4: Simplify right side
   3,707.96x = 17,806,016.29
5. Step 5: Solve for x
   x = 17,806,016.29/3,707.96
6. Step 6: Final answer
   x = 4,802.11