Finding the Fourth Proportional to 201,737.34, 278,399.58 and 111,101.73

Step by Step Solution

1. Step 1: Write the proportion equation
   201,737.34 : 278,399.58 = 111,101.73 : x
2. Step 2: Convert to fraction form
   201,737.34/278,399.58 = 111,101.73/x
3. Step 3: Cross multiply
   201,737.34x = 278,399.58 × 111,101.73
4. Step 4: Simplify right side
   201,737.34x = 30,930,674,969.27
5. Step 5: Solve for x
   x = 30,930,674,969.27/201,737.34
6. Step 6: Final answer
   x = 153,321.52