Finding the Fourth Proportional to 13,953.55, 19,256.03 and 7,665.92

Step by Step Solution

1. Step 1: Write the proportion equation
   13,953.55 : 19,256.03 = 7,665.92 : x
2. Step 2: Convert to fraction form
   13,953.55/19,256.03 = 7,665.92/x
3. Step 3: Cross multiply
   13,953.55x = 19,256.03 × 7,665.92
4. Step 4: Simplify right side
   13,953.55x = 147,615,185.50
5. Step 5: Solve for x
   x = 147,615,185.50/13,953.55
6. Step 6: Final answer
   x = 10,579.04