Finding the Fourth Proportional to 111,737.46, 154,205.25 and 61,436.34

Step by Step Solution

1. Step 1: Write the proportion equation
   111,737.46 : 154,205.25 = 61,436.34 : x
2. Step 2: Convert to fraction form
   111,737.46/154,205.25 = 61,436.34/x
3. Step 3: Cross multiply
   111,737.46x = 154,205.25 × 61,436.34
4. Step 4: Simplify right side
   111,737.46x = 9,473,806,168.79
5. Step 5: Solve for x
   x = 9,473,806,168.79/111,737.46
6. Step 6: Final answer
   x = 84,786.30