Finding the Fourth Proportional to 111,607.74, 154,019.81 and 60,620.96

Step by Step Solution

1. Step 1: Write the proportion equation
   111,607.74 : 154,019.81 = 60,620.96 : x
2. Step 2: Convert to fraction form
   111,607.74/154,019.81 = 60,620.96/x
3. Step 3: Cross multiply
   111,607.74x = 154,019.81 × 60,620.96
4. Step 4: Simplify right side
   111,607.74x = 9,336,829,277.82
5. Step 5: Solve for x
   x = 9,336,829,277.82/111,607.74
6. Step 6: Final answer
   x = 83,657.54