Finding the Fourth Proportional to 111,903.91, 154,422.57 and 60,916.72

Step by Step Solution

1. Step 1: Write the proportion equation
   111,903.91 : 154,422.57 = 60,916.72 : x
2. Step 2: Convert to fraction form
   111,903.91/154,422.57 = 60,916.72/x
3. Step 3: Cross multiply
   111,903.91x = 154,422.57 × 60,916.72
4. Step 4: Simplify right side
   111,903.91x = 9,406,916,458.37
5. Step 5: Solve for x
   x = 9,406,916,458.37/111,903.91
6. Step 6: Final answer
   x = 84,062.45