Finding the Fourth Proportional to 42,477.59, 63,676.59 and 14,377.98

Step by Step Solution

1. Step 1: Write the proportion equation
   42,477.59 : 63,676.59 = 14,377.98 : x
2. Step 2: Convert to fraction form
   42,477.59/63,676.59 = 14,377.98/x
3. Step 3: Cross multiply
   42,477.59x = 63,676.59 × 14,377.98
4. Step 4: Simplify right side
   42,477.59x = 915,540,737.49
5. Step 5: Solve for x
   x = 915,540,737.49/42,477.59
6. Step 6: Final answer
   x = 21,553.50