Finding the Fourth Proportional to 65,030.77, 89,783.81 and 49,894.71

Step by Step Solution

1. Step 1: Write the proportion equation
   65,030.77 : 89,783.81 = 49,894.71 : x
2. Step 2: Convert to fraction form
   65,030.77/89,783.81 = 49,894.71/x
3. Step 3: Cross multiply
   65,030.77x = 89,783.81 × 49,894.71
4. Step 4: Simplify right side
   65,030.77x = 4,479,737,162.65
5. Step 5: Solve for x
   x = 4,479,737,162.65/65,030.77
6. Step 6: Final answer
   x = 68,886.42