Finding the Fourth Proportional to 119,078.94, 164,331 and 65,368.92

Step by Step Solution

1. Step 1: Write the proportion equation
   119,078.94 : 164,331 = 65,368.92 : x
2. Step 2: Convert to fraction form
   119,078.94/164,331 = 65,368.92/x
3. Step 3: Cross multiply
   119,078.94x = 164,331 × 65,368.92
4. Step 4: Simplify right side
   119,078.94x = 10,742,139,992.52
5. Step 5: Solve for x
   x = 10,742,139,992.52/119,078.94
6. Step 6: Final answer
   x = 90,210.24