Finding the Fourth Proportional to 201,105.32, 277,525.90 and 111,681.32

Step by Step Solution

1. Step 1: Write the proportion equation
   201,105.32 : 277,525.90 = 111,681.32 : x
2. Step 2: Convert to fraction form
   201,105.32/277,525.90 = 111,681.32/x
3. Step 3: Cross multiply
   201,105.32x = 277,525.90 × 111,681.32
4. Step 4: Simplify right side
   201,105.32x = 30,994,458,846.19
5. Step 5: Solve for x
   x = 30,994,458,846.19/201,105.32
6. Step 6: Final answer
   x = 154,120.53