Finding the Fourth Proportional to 89,785.08, 123,902.96 and 49,498.72

Step by Step Solution

1. Step 1: Write the proportion equation
   89,785.08 : 123,902.96 = 49,498.72 : x
2. Step 2: Convert to fraction form
   89,785.08/123,902.96 = 49,498.72/x
3. Step 3: Cross multiply
   89,785.08x = 123,902.96 × 49,498.72
4. Step 4: Simplify right side
   89,785.08x = 6,133,037,924.21
5. Step 5: Solve for x
   x = 6,133,037,924.21/89,785.08
6. Step 6: Final answer
   x = 68,307.99