Finding the Fourth Proportional to 119,178.84, 164,467.78 and 65,465.06

Step by Step Solution

1. Step 1: Write the proportion equation
   119,178.84 : 164,467.78 = 65,465.06 : x
2. Step 2: Convert to fraction form
   119,178.84/164,467.78 = 65,465.06/x
3. Step 3: Cross multiply
   119,178.84x = 164,467.78 × 65,465.06
4. Step 4: Simplify right side
   119,178.84x = 10,766,892,099.77
5. Step 5: Solve for x
   x = 10,766,892,099.77/119,178.84
6. Step 6: Final answer
   x = 90,342.31