Finding the Fourth Proportional to 201,669.96, 278,300.16 and 111,022.46

Step by Step Solution

1. Step 1: Write the proportion equation
   201,669.96 : 278,300.16 = 111,022.46 : x
2. Step 2: Convert to fraction form
   201,669.96/278,300.16 = 111,022.46/x
3. Step 3: Cross multiply
   201,669.96x = 278,300.16 × 111,022.46
4. Step 4: Simplify right side
   201,669.96x = 30,897,566,990.09
5. Step 5: Solve for x
   x = 30,897,566,990.09/201,669.96
6. Step 6: Final answer
   x = 153,208.57