Finding the Fourth Proportional to 40,053.60, 60,090.24 and 13,758.72

Step by Step Solution

1. Step 1: Write the proportion equation
   40,053.60 : 60,090.24 = 13,758.72 : x
2. Step 2: Convert to fraction form
   40,053.60/60,090.24 = 13,758.72/x
3. Step 3: Cross multiply
   40,053.60x = 60,090.24 × 13,758.72
4. Step 4: Simplify right side
   40,053.60x = 826,764,786.89
5. Step 5: Solve for x
   x = 826,764,786.89/40,053.60
6. Step 6: Final answer
   x = 20,641.46