Finding the Fourth Proportional to 112,392.93, 155,118.49 and 67,072.82

Step by Step Solution

1. Step 1: Write the proportion equation
   112,392.93 : 155,118.49 = 67,072.82 : x
2. Step 2: Convert to fraction form
   112,392.93/155,118.49 = 67,072.82/x
3. Step 3: Cross multiply
   112,392.93x = 155,118.49 × 67,072.82
4. Step 4: Simplify right side
   112,392.93x = 10,404,234,778.56
5. Step 5: Solve for x
   x = 10,404,234,778.56/112,392.93
6. Step 6: Final answer
   x = 92,570.19