Finding the Fourth Proportional to 111,811.37, 154,300.37 and 60,824.57

Step by Step Solution

1. Step 1: Write the proportion equation
   111,811.37 : 154,300.37 = 60,824.57 : x
2. Step 2: Convert to fraction form
   111,811.37/154,300.37 = 60,824.57/x
3. Step 3: Cross multiply
   111,811.37x = 154,300.37 × 60,824.57
4. Step 4: Simplify right side
   111,811.37x = 9,385,252,580.47
5. Step 5: Solve for x
   x = 9,385,252,580.47/111,811.37
6. Step 6: Final answer
   x = 83,938.27