Finding the Fourth Proportional to 89,489.88, 123,498.72 and 49,201.56

Step by Step Solution

1. Step 1: Write the proportion equation
   89,489.88 : 123,498.72 = 49,201.56 : x
2. Step 2: Convert to fraction form
   89,489.88/123,498.72 = 49,201.56/x
3. Step 3: Cross multiply
   89,489.88x = 123,498.72 × 49,201.56
4. Step 4: Simplify right side
   89,489.88x = 6,076,329,682.00
5. Step 5: Solve for x
   x = 6,076,329,682.00/89,489.88
6. Step 6: Final answer
   x = 67,899.63