Finding the Fourth Proportional to 111,772.72, 154,247.39 and 60,785.93

Step by Step Solution

1. Step 1: Write the proportion equation
   111,772.72 : 154,247.39 = 60,785.93 : x
2. Step 2: Convert to fraction form
   111,772.72/154,247.39 = 60,785.93/x
3. Step 3: Cross multiply
   111,772.72x = 154,247.39 × 60,785.93
4. Step 4: Simplify right side
   111,772.72x = 9,376,070,747.29
5. Step 5: Solve for x
   x = 9,376,070,747.29/111,772.72
6. Step 6: Final answer
   x = 83,885.14