Finding the Fourth Proportional to 111,096.47, 166,533.93 and 71,681.27

Step by Step Solution

1. Step 1: Write the proportion equation
   111,096.47 : 166,533.93 = 71,681.27 : x
2. Step 2: Convert to fraction form
   111,096.47/166,533.93 = 71,681.27/x
3. Step 3: Cross multiply
   111,096.47x = 166,533.93 × 71,681.27
4. Step 4: Simplify right side
   111,096.47x = 11,937,362,767.82
5. Step 5: Solve for x
   x = 11,937,362,767.82/111,096.47
6. Step 6: Final answer
   x = 107,450.43