Finding the Fourth Proportional to 10,145.52, 15,219.50 and 3,904.08

Step by Step Solution

1. Step 1: Write the proportion equation
   10,145.52 : 15,219.50 = 3,904.08 : x
2. Step 2: Convert to fraction form
   10,145.52/15,219.50 = 3,904.08/x
3. Step 3: Cross multiply
   10,145.52x = 15,219.50 × 3,904.08
4. Step 4: Simplify right side
   10,145.52x = 59,418,145.56
5. Step 5: Solve for x
   x = 59,418,145.56/10,145.52
6. Step 6: Final answer
   x = 5,856.59