Finding the Fourth Proportional to 77,684.84, 116,532.12 and 30,936.50

Step by Step Solution

1. Step 1: Write the proportion equation
   77,684.84 : 116,532.12 = 30,936.50 : x
2. Step 2: Convert to fraction form
   77,684.84/116,532.12 = 30,936.50/x
3. Step 3: Cross multiply
   77,684.84x = 116,532.12 × 30,936.50
4. Step 4: Simplify right side
   77,684.84x = 3,605,095,930.38
5. Step 5: Solve for x
   x = 3,605,095,930.38/77,684.84
6. Step 6: Final answer
   x = 46,406.69