Finding the Fourth Proportional to 119,461.56, 164,850.72 and 65,736.18

Step by Step Solution

1. Step 1: Write the proportion equation
   119,461.56 : 164,850.72 = 65,736.18 : x
2. Step 2: Convert to fraction form
   119,461.56/164,850.72 = 65,736.18/x
3. Step 3: Cross multiply
   119,461.56x = 164,850.72 × 65,736.18
4. Step 4: Simplify right side
   119,461.56x = 10,836,656,603.05
5. Step 5: Solve for x
   x = 10,836,656,603.05/119,461.56
6. Step 6: Final answer
   x = 90,712.50