Finding the Fourth Proportional to 132,066.81, 182,224.17 and 78,369.30

Step by Step Solution

1. Step 1: Write the proportion equation
   132,066.81 : 182,224.17 = 78,369.30 : x
2. Step 2: Convert to fraction form
   132,066.81/182,224.17 = 78,369.30/x
3. Step 3: Cross multiply
   132,066.81x = 182,224.17 × 78,369.30
4. Step 4: Simplify right side
   132,066.81x = 14,280,780,645.98
5. Step 5: Solve for x
   x = 14,280,780,645.98/132,066.81
6. Step 6: Final answer
   x = 108,133.00