Finding the Fourth Proportional to 10,346.05, 15,518.78 and 3,326.00

Step by Step Solution

1. Step 1: Write the proportion equation
   10,346.05 : 15,518.78 = 3,326.00 : x
2. Step 2: Convert to fraction form
   10,346.05/15,518.78 = 3,326.00/x
3. Step 3: Cross multiply
   10,346.05x = 15,518.78 × 3,326.00
4. Step 4: Simplify right side
   10,346.05x = 51,615,506.79
5. Step 5: Solve for x
   x = 51,615,506.79/10,346.05
6. Step 6: Final answer
   x = 4,988.91