Finding the Fourth Proportional to 111,860, 154,366.82 and 61,559

Step by Step Solution

1. Step 1: Write the proportion equation
   111,860 : 154,366.82 = 61,559 : x
2. Step 2: Convert to fraction form
   111,860/154,366.82 = 61,559/x
3. Step 3: Cross multiply
   111,860x = 154,366.82 × 61,559
4. Step 4: Simplify right side
   111,860x = 9,502,667,072.38
5. Step 5: Solve for x
   x = 9,502,667,072.38/111,860
6. Step 6: Final answer
   x = 84,951.43