Finding the Fourth Proportional to 202,196.84, 279,029.71 and 111,553.53

Step by Step Solution

1. Step 1: Write the proportion equation
   202,196.84 : 279,029.71 = 111,553.53 : x
2. Step 2: Convert to fraction form
   202,196.84/279,029.71 = 111,553.53/x
3. Step 3: Cross multiply
   202,196.84x = 279,029.71 × 111,553.53
4. Step 4: Simplify right side
   202,196.84x = 31,126,749,125.38
5. Step 5: Solve for x
   x = 31,126,749,125.38/202,196.84
6. Step 6: Final answer
   x = 153,942.81