Finding the Fourth Proportional to 144,498.98, 216,692.31 and 49,711.16

Step by Step Solution

1. Step 1: Write the proportion equation
   144,498.98 : 216,692.31 = 49,711.16 : x
2. Step 2: Convert to fraction form
   144,498.98/216,692.31 = 49,711.16/x
3. Step 3: Cross multiply
   144,498.98x = 216,692.31 × 49,711.16
4. Step 4: Simplify right side
   144,498.98x = 10,772,026,093.18
5. Step 5: Solve for x
   x = 10,772,026,093.18/144,498.98
6. Step 6: Final answer
   x = 74,547.42