Finding the Fourth Proportional to 10,062.40, 15,090.72 and 3,904.96

Step by Step Solution

1. Step 1: Write the proportion equation
   10,062.40 : 15,090.72 = 3,904.96 : x
2. Step 2: Convert to fraction form
   10,062.40/15,090.72 = 3,904.96/x
3. Step 3: Cross multiply
   10,062.40x = 15,090.72 × 3,904.96
4. Step 4: Simplify right side
   10,062.40x = 58,928,657.97
5. Step 5: Solve for x
   x = 58,928,657.97/10,062.40
6. Step 6: Final answer
   x = 5,856.32