Finding the Fourth Proportional to 12,953.76, 19,426.50 and 5,556.23

Step by Step Solution

1. Step 1: Write the proportion equation
   12,953.76 : 19,426.50 = 5,556.23 : x
2. Step 2: Convert to fraction form
   12,953.76/19,426.50 = 5,556.23/x
3. Step 3: Cross multiply
   12,953.76x = 19,426.50 × 5,556.23
4. Step 4: Simplify right side
   12,953.76x = 107,938,004.96
5. Step 5: Solve for x
   x = 107,938,004.96/12,953.76
6. Step 6: Final answer
   x = 8,332.56