Finding the Fourth Proportional to 78,667.36, 108,511.36 and 46,812.48

Step by Step Solution

1. Step 1: Write the proportion equation
   78,667.36 : 108,511.36 = 46,812.48 : x
2. Step 2: Convert to fraction form
   78,667.36/108,511.36 = 46,812.48/x
3. Step 3: Cross multiply
   78,667.36x = 108,511.36 × 46,812.48
4. Step 4: Simplify right side
   78,667.36x = 5,079,685,869.77
5. Step 5: Solve for x
   x = 5,079,685,869.77/78,667.36
6. Step 6: Final answer
   x = 64,571.71