Finding the Fourth Proportional to 49,196.95, 73,787.51 and 14,128.63

Step by Step Solution

1. Step 1: Write the proportion equation
   49,196.95 : 73,787.51 = 14,128.63 : x
2. Step 2: Convert to fraction form
   49,196.95/73,787.51 = 14,128.63/x
3. Step 3: Cross multiply
   49,196.95x = 73,787.51 × 14,128.63
4. Step 4: Simplify right side
   49,196.95x = 1,042,516,356.77
5. Step 5: Solve for x
   x = 1,042,516,356.77/49,196.95
6. Step 6: Final answer
   x = 21,190.67