Finding the Fourth Proportional to 111,721.41, 154,178.54 and 60,737.59

Step by Step Solution

1. Step 1: Write the proportion equation
   111,721.41 : 154,178.54 = 60,737.59 : x
2. Step 2: Convert to fraction form
   111,721.41/154,178.54 = 60,737.59/x
3. Step 3: Cross multiply
   111,721.41x = 154,178.54 × 60,737.59
4. Step 4: Simplify right side
   111,721.41x = 9,364,432,949.32
5. Step 5: Solve for x
   x = 9,364,432,949.32/111,721.41
6. Step 6: Final answer
   x = 83,819.50