Finding the Fourth Proportional to 14,443.74, 19,921.41 and 10,477.98

Step by Step Solution

1. Step 1: Write the proportion equation
   14,443.74 : 19,921.41 = 10,477.98 : x
2. Step 2: Convert to fraction form
   14,443.74/19,921.41 = 10,477.98/x
3. Step 3: Cross multiply
   14,443.74x = 19,921.41 × 10,477.98
4. Step 4: Simplify right side
   14,443.74x = 208,736,135.55
5. Step 5: Solve for x
   x = 208,736,135.55/14,443.74
6. Step 6: Final answer
   x = 14,451.67