Finding the Fourth Proportional to 119,186.72, 164,477.78 and 65,475.19

Step by Step Solution

1. Step 1: Write the proportion equation
   119,186.72 : 164,477.78 = 65,475.19 : x
2. Step 2: Convert to fraction form
   119,186.72/164,477.78 = 65,475.19/x
3. Step 3: Cross multiply
   119,186.72x = 164,477.78 × 65,475.19
4. Step 4: Simplify right side
   119,186.72x = 10,769,214,043.61
5. Step 5: Solve for x
   x = 10,769,214,043.61/119,186.72
6. Step 6: Final answer
   x = 90,355.82