Finding the Fourth Proportional to 307,845.56, 424,822.72 and 171,881.59

Step by Step Solution

1. Step 1: Write the proportion equation
   307,845.56 : 424,822.72 = 171,881.59 : x
2. Step 2: Convert to fraction form
   307,845.56/424,822.72 = 171,881.59/x
3. Step 3: Cross multiply
   307,845.56x = 424,822.72 × 171,881.59
4. Step 4: Simplify right side
   307,845.56x = 73,019,204,581.72
5. Step 5: Solve for x
   x = 73,019,204,581.72/307,845.56
6. Step 6: Final answer
   x = 237,194.28