Finding the Fourth Proportional to 111,973.54, 167,141.06 and 98,687.98

Step by Step Solution

1. Step 1: Write the proportion equation
   111,973.54 : 167,141.06 = 98,687.98 : x
2. Step 2: Convert to fraction form
   111,973.54/167,141.06 = 98,687.98/x
3. Step 3: Cross multiply
   111,973.54x = 167,141.06 × 98,687.98
4. Step 4: Simplify right side
   111,973.54x = 16,494,813,586.46
5. Step 5: Solve for x
   x = 16,494,813,586.46/111,973.54
6. Step 6: Final answer
   x = 147,309.92