Finding the Fourth Proportional to 89,693.52, 123,776.48 and 49,406.35

Step by Step Solution

1. Step 1: Write the proportion equation
   89,693.52 : 123,776.48 = 49,406.35 : x
2. Step 2: Convert to fraction form
   89,693.52/123,776.48 = 49,406.35/x
3. Step 3: Cross multiply
   89,693.52x = 123,776.48 × 49,406.35
4. Step 4: Simplify right side
   89,693.52x = 6,115,343,906.72
5. Step 5: Solve for x
   x = 6,115,343,906.72/89,693.52
6. Step 6: Final answer
   x = 68,180.44