Finding the Fourth Proportional to 124,408.18, 186,667.35 and 65,229.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,408.18 : 186,667.35 = 65,229.72 : x
2. Step 2: Convert to fraction form
   124,408.18/186,667.35 = 65,229.72/x
3. Step 3: Cross multiply
   124,408.18x = 186,667.35 × 65,229.72
4. Step 4: Simplify right side
   124,408.18x = 12,176,258,973.64
5. Step 5: Solve for x
   x = 12,176,258,973.64/124,408.18
6. Step 6: Final answer
   x = 97,873.46