Finding the Fourth Proportional to 200,803.42, 277,114.71 and 111,377.50

Step by Step Solution

1. Step 1: Write the proportion equation
   200,803.42 : 277,114.71 = 111,377.50 : x
2. Step 2: Convert to fraction form
   200,803.42/277,114.71 = 111,377.50/x
3. Step 3: Cross multiply
   200,803.42x = 277,114.71 × 111,377.50
4. Step 4: Simplify right side
   200,803.42x = 30,864,343,613.03
5. Step 5: Solve for x
   x = 30,864,343,613.03/200,803.42
6. Step 6: Final answer
   x = 153,704.27