Finding the Fourth Proportional to 200,733, 277,011.54 and 111,309

Step by Step Solution

1. Step 1: Write the proportion equation
   200,733 : 277,011.54 = 111,309 : x
2. Step 2: Convert to fraction form
   200,733/277,011.54 = 111,309/x
3. Step 3: Cross multiply
   200,733x = 277,011.54 × 111,309
4. Step 4: Simplify right side
   200,733x = 30,833,877,505.86
5. Step 5: Solve for x
   x = 30,833,877,505.86/200,733
6. Step 6: Final answer
   x = 153,606.42