Finding the Fourth Proportional to 111,300.42, 165,957.81 and 98,936.58

Step by Step Solution

1. Step 1: Write the proportion equation
   111,300.42 : 165,957.81 = 98,936.58 : x
2. Step 2: Convert to fraction form
   111,300.42/165,957.81 = 98,936.58/x
3. Step 3: Cross multiply
   111,300.42x = 165,957.81 × 98,936.58
4. Step 4: Simplify right side
   111,300.42x = 16,419,298,145.69
5. Step 5: Solve for x
   x = 16,419,298,145.69/111,300.42
6. Step 6: Final answer
   x = 147,522.34