Finding the Fourth Proportional to 10,206.19, 15,300.78 and 7,092.25

Step by Step Solution

1. Step 1: Write the proportion equation
   10,206.19 : 15,300.78 = 7,092.25 : x
2. Step 2: Convert to fraction form
   10,206.19/15,300.78 = 7,092.25/x
3. Step 3: Cross multiply
   10,206.19x = 15,300.78 × 7,092.25
4. Step 4: Simplify right side
   10,206.19x = 108,516,956.96
5. Step 5: Solve for x
   x = 108,516,956.96/10,206.19
6. Step 6: Final answer
   x = 10,632.46