Finding the Fourth Proportional to 111,113.76, 153,340.65 and 60,812.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,113.76 : 153,340.65 = 60,812.76 : x
2. Step 2: Convert to fraction form
   111,113.76/153,340.65 = 60,812.76/x
3. Step 3: Cross multiply
   111,113.76x = 153,340.65 × 60,812.76
4. Step 4: Simplify right side
   111,113.76x = 9,325,068,146.69
5. Step 5: Solve for x
   x = 9,325,068,146.69/111,113.76
6. Step 6: Final answer
   x = 83,923.61