Finding the Fourth Proportional to 112,791.98, 169,144.22 and 60,172.76

Step by Step Solution

1. Step 1: Write the proportion equation
   112,791.98 : 169,144.22 = 60,172.76 : x
2. Step 2: Convert to fraction form
   112,791.98/169,144.22 = 60,172.76/x
3. Step 3: Cross multiply
   112,791.98x = 169,144.22 × 60,172.76
4. Step 4: Simplify right side
   112,791.98x = 10,177,874,555.45
5. Step 5: Solve for x
   x = 10,177,874,555.45/112,791.98
6. Step 6: Final answer
   x = 90,235.80