Finding the Fourth Proportional to 111,936.15, 154,482.81 and 83,592.63

Step by Step Solution

1. Step 1: Write the proportion equation
   111,936.15 : 154,482.81 = 83,592.63 : x
2. Step 2: Convert to fraction form
   111,936.15/154,482.81 = 83,592.63/x
3. Step 3: Cross multiply
   111,936.15x = 154,482.81 × 83,592.63
4. Step 4: Simplify right side
   111,936.15x = 12,913,624,377.69
5. Step 5: Solve for x
   x = 12,913,624,377.69/111,936.15
6. Step 6: Final answer
   x = 115,365.99