Finding the Fourth Proportional to 124,339.59, 186,564.51 and 65,161.19

Step by Step Solution

1. Step 1: Write the proportion equation
   124,339.59 : 186,564.51 = 65,161.19 : x
2. Step 2: Convert to fraction form
   124,339.59/186,564.51 = 65,161.19/x
3. Step 3: Cross multiply
   124,339.59x = 186,564.51 × 65,161.19
4. Step 4: Simplify right side
   124,339.59x = 12,156,765,483.37
5. Step 5: Solve for x
   x = 12,156,765,483.37/124,339.59
6. Step 6: Final answer
   x = 97,770.67