Finding the Fourth Proportional to 111,959.82, 154,497.54 and 61,658.82

Step by Step Solution

1. Step 1: Write the proportion equation
   111,959.82 : 154,497.54 = 61,658.82 : x
2. Step 2: Convert to fraction form
   111,959.82/154,497.54 = 61,658.82/x
3. Step 3: Cross multiply
   111,959.82x = 154,497.54 × 61,658.82
4. Step 4: Simplify right side
   111,959.82x = 9,526,136,009.30
5. Step 5: Solve for x
   x = 9,526,136,009.30/111,959.82
6. Step 6: Final answer
   x = 85,085.31