Finding the Fourth Proportional to 111,607.83, 154,020.42 and 60,620.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,607.83 : 154,020.42 = 60,620.76 : x
2. Step 2: Convert to fraction form
   111,607.83/154,020.42 = 60,620.76/x
3. Step 3: Cross multiply
   111,607.83x = 154,020.42 × 60,620.76
4. Step 4: Simplify right side
   111,607.83x = 9,336,834,915.92
5. Step 5: Solve for x
   x = 9,336,834,915.92/111,607.83
6. Step 6: Final answer
   x = 83,657.53