Finding the Fourth Proportional to 42,454.05, 63,656.47 and 14,364.77

Step by Step Solution

1. Step 1: Write the proportion equation
   42,454.05 : 63,656.47 = 14,364.77 : x
2. Step 2: Convert to fraction form
   42,454.05/63,656.47 = 14,364.77/x
3. Step 3: Cross multiply
   42,454.05x = 63,656.47 × 14,364.77
4. Step 4: Simplify right side
   42,454.05x = 914,410,648.70
5. Step 5: Solve for x
   x = 914,410,648.70/42,454.05
6. Step 6: Final answer
   x = 21,538.83