Finding the Fourth Proportional to 89,490.42, 123,498.83 and 49,206.44

Step by Step Solution

1. Step 1: Write the proportion equation
   89,490.42 : 123,498.83 = 49,206.44 : x
2. Step 2: Convert to fraction form
   89,490.42/123,498.83 = 49,206.44/x
3. Step 3: Cross multiply
   89,490.42x = 123,498.83 × 49,206.44
4. Step 4: Simplify right side
   89,490.42x = 6,076,937,228.76
5. Step 5: Solve for x
   x = 6,076,937,228.76/89,490.42
6. Step 6: Final answer
   x = 67,906.01