Finding the Fourth Proportional to 111,939.52, 154,478.56 and 60,953.76

Step by Step Solution

1. Step 1: Write the proportion equation
   111,939.52 : 154,478.56 = 60,953.76 : x
2. Step 2: Convert to fraction form
   111,939.52/154,478.56 = 60,953.76/x
3. Step 3: Cross multiply
   111,939.52x = 154,478.56 × 60,953.76
4. Step 4: Simplify right side
   111,939.52x = 9,416,049,071.39
5. Step 5: Solve for x
   x = 9,416,049,071.39/111,939.52
6. Step 6: Final answer
   x = 84,117.29