Finding the Fourth Proportional to 171,667.74, 236,854.56 and 102,729.48

Step by Step Solution

1. Step 1: Write the proportion equation
   171,667.74 : 236,854.56 = 102,729.48 : x
2. Step 2: Convert to fraction form
   171,667.74/236,854.56 = 102,729.48/x
3. Step 3: Cross multiply
   171,667.74x = 236,854.56 × 102,729.48
4. Step 4: Simplify right side
   171,667.74x = 24,331,945,784.43
5. Step 5: Solve for x
   x = 24,331,945,784.43/171,667.74
6. Step 6: Final answer
   x = 141,738.60