Finding the Fourth Proportional to 89,400.22, 123,368.72 and 49,112.04

Step by Step Solution

1. Step 1: Write the proportion equation
   89,400.22 : 123,368.72 = 49,112.04 : x
2. Step 2: Convert to fraction form
   89,400.22/123,368.72 = 49,112.04/x
3. Step 3: Cross multiply
   89,400.22x = 123,368.72 × 49,112.04
4. Step 4: Simplify right side
   89,400.22x = 6,058,889,511.39
5. Step 5: Solve for x
   x = 6,058,889,511.39/89,400.22
6. Step 6: Final answer
   x = 67,772.65