Finding the Fourth Proportional to 134,429.86, 185,494.35 and 89,037.46

Step by Step Solution

1. Step 1: Write the proportion equation
   134,429.86 : 185,494.35 = 89,037.46 : x
2. Step 2: Convert to fraction form
   134,429.86/185,494.35 = 89,037.46/x
3. Step 3: Cross multiply
   134,429.86x = 185,494.35 × 89,037.46
4. Step 4: Simplify right side
   134,429.86x = 16,515,945,768.35
5. Step 5: Solve for x
   x = 16,515,945,768.35/134,429.86
6. Step 6: Final answer
   x = 122,859.21