Finding the Fourth Proportional to 201,796.02, 278,480.43 and 111,152.39

Step by Step Solution

1. Step 1: Write the proportion equation
   201,796.02 : 278,480.43 = 111,152.39 : x
2. Step 2: Convert to fraction form
   201,796.02/278,480.43 = 111,152.39/x
3. Step 3: Cross multiply
   201,796.02x = 278,480.43 × 111,152.39
4. Step 4: Simplify right side
   201,796.02x = 30,953,763,970.33
5. Step 5: Solve for x
   x = 30,953,763,970.33/201,796.02
6. Step 6: Final answer
   x = 153,391.35