Finding the Fourth Proportional to 111,946.31, 154,489.72 and 60,959.91

Step by Step Solution

1. Step 1: Write the proportion equation
   111,946.31 : 154,489.72 = 60,959.91 : x
2. Step 2: Convert to fraction form
   111,946.31/154,489.72 = 60,959.91/x
3. Step 3: Cross multiply
   111,946.31x = 154,489.72 × 60,959.91
4. Step 4: Simplify right side
   111,946.31x = 9,417,679,427.13
5. Step 5: Solve for x
   x = 9,417,679,427.13/111,946.31
6. Step 6: Final answer
   x = 84,126.76