Finding the Fourth Proportional to 119,160.39, 164,442.47 and 65,446.50

Step by Step Solution

1. Step 1: Write the proportion equation
   119,160.39 : 164,442.47 = 65,446.50 : x
2. Step 2: Convert to fraction form
   119,160.39/164,442.47 = 65,446.50/x
3. Step 3: Cross multiply
   119,160.39x = 164,442.47 × 65,446.50
4. Step 4: Simplify right side
   119,160.39x = 10,762,184,112.86
5. Step 5: Solve for x
   x = 10,762,184,112.86/119,160.39
6. Step 6: Final answer
   x = 90,316.79