Finding the Fourth Proportional to 89,606.39, 123,653.93 and 49,320.18

Step by Step Solution

1. Step 1: Write the proportion equation
   89,606.39 : 123,653.93 = 49,320.18 : x
2. Step 2: Convert to fraction form
   89,606.39/123,653.93 = 49,320.18/x
3. Step 3: Cross multiply
   89,606.39x = 123,653.93 × 49,320.18
4. Step 4: Simplify right side
   89,606.39x = 6,098,633,838.71
5. Step 5: Solve for x
   x = 6,098,633,838.71/89,606.39
6. Step 6: Final answer
   x = 68,060.26