Finding the Fourth Proportional to 269,109.05, 403,664.15 and 252,667.59

Step by Step Solution

1. Step 1: Write the proportion equation
   269,109.05 : 403,664.15 = 252,667.59 : x
2. Step 2: Convert to fraction form
   269,109.05/403,664.15 = 252,667.59/x
3. Step 3: Cross multiply
   269,109.05x = 403,664.15 × 252,667.59
4. Step 4: Simplify right side
   269,109.05x = 101,992,848,697.17
5. Step 5: Solve for x
   x = 101,992,848,697.17/269,109.05
6. Step 6: Final answer
   x = 379,001.93