Finding the Fourth Proportional to 201,696.57, 278,339.22 and 111,050.82

Step by Step Solution

1. Step 1: Write the proportion equation
   201,696.57 : 278,339.22 = 111,050.82 : x
2. Step 2: Convert to fraction form
   201,696.57/278,339.22 = 111,050.82/x
3. Step 3: Cross multiply
   201,696.57x = 278,339.22 × 111,050.82
4. Step 4: Simplify right side
   201,696.57x = 30,909,798,619.16
5. Step 5: Solve for x
   x = 30,909,798,619.16/201,696.57
6. Step 6: Final answer
   x = 153,249.00