Finding the Fourth Proportional to 124,407.18, 186,665.85 and 65,228.72

Step by Step Solution

1. Step 1: Write the proportion equation
   124,407.18 : 186,665.85 = 65,228.72 : x
2. Step 2: Convert to fraction form
   124,407.18/186,665.85 = 65,228.72/x
3. Step 3: Cross multiply
   124,407.18x = 186,665.85 × 65,228.72
4. Step 4: Simplify right side
   124,407.18x = 12,175,973,529.88
5. Step 5: Solve for x
   x = 12,175,973,529.88/124,407.18
6. Step 6: Final answer
   x = 97,871.95