Finding the Fourth Proportional to 89,632.16, 123,691.41 and 49,345.05

Step by Step Solution

1. Step 1: Write the proportion equation
   89,632.16 : 123,691.41 = 49,345.05 : x
2. Step 2: Convert to fraction form
   89,632.16/123,691.41 = 49,345.05/x
3. Step 3: Cross multiply
   89,632.16x = 123,691.41 × 49,345.05
4. Step 4: Simplify right side
   89,632.16x = 6,103,558,811.02
5. Step 5: Solve for x
   x = 6,103,558,811.02/89,632.16
6. Step 6: Final answer
   x = 68,095.63