Finding the Fourth Proportional to 144,573.89, 216,875.51 and 49,791.70

Step by Step Solution

1. Step 1: Write the proportion equation
   144,573.89 : 216,875.51 = 49,791.70 : x
2. Step 2: Convert to fraction form
   144,573.89/216,875.51 = 49,791.70/x
3. Step 3: Cross multiply
   144,573.89x = 216,875.51 × 49,791.70
4. Step 4: Simplify right side
   144,573.89x = 10,798,598,997.93
5. Step 5: Solve for x
   x = 10,798,598,997.93/144,573.89
6. Step 6: Final answer
   x = 74,692.59