Finding the Fourth Proportional to 209,501.42, 289,111.42 and 114,008.09

Step by Step Solution

1. Step 1: Write the proportion equation
   209,501.42 : 289,111.42 = 114,008.09 : x
2. Step 2: Convert to fraction form
   209,501.42/289,111.42 = 114,008.09/x
3. Step 3: Cross multiply
   209,501.42x = 289,111.42 × 114,008.09
4. Step 4: Simplify right side
   209,501.42x = 32,961,040,791.39
5. Step 5: Solve for x
   x = 32,961,040,791.39/209,501.42
6. Step 6: Final answer
   x = 157,330.87