Finding the Fourth Proportional to 10,054.37, 15,079.73 and 3,479.40

Step by Step Solution

1. Step 1: Write the proportion equation
   10,054.37 : 15,079.73 = 3,479.40 : x
2. Step 2: Convert to fraction form
   10,054.37/15,079.73 = 3,479.40/x
3. Step 3: Cross multiply
   10,054.37x = 15,079.73 × 3,479.40
4. Step 4: Simplify right side
   10,054.37x = 52,468,412.56
5. Step 5: Solve for x
   x = 52,468,412.56/10,054.37
6. Step 6: Final answer
   x = 5,218.47