Finding the Fourth Proportional to 89,379.63, 123,342.15 and 49,092.45

Step by Step Solution

1. Step 1: Write the proportion equation
   89,379.63 : 123,342.15 = 49,092.45 : x
2. Step 2: Convert to fraction form
   89,379.63/123,342.15 = 49,092.45/x
3. Step 3: Cross multiply
   89,379.63x = 123,342.15 × 49,092.45
4. Step 4: Simplify right side
   89,379.63x = 6,055,168,331.77
5. Step 5: Solve for x
   x = 6,055,168,331.77/89,379.63
6. Step 6: Final answer
   x = 67,746.63