Finding the Fourth Proportional to 119,151.87, 164,430.71 and 65,438

Step by Step Solution

1. Step 1: Write the proportion equation
   119,151.87 : 164,430.71 = 65,438 : x
2. Step 2: Convert to fraction form
   119,151.87/164,430.71 = 65,438/x
3. Step 3: Cross multiply
   119,151.87x = 164,430.71 × 65,438
4. Step 4: Simplify right side
   119,151.87x = 10,760,016,800.98
5. Step 5: Solve for x
   x = 10,760,016,800.98/119,151.87
6. Step 6: Final answer
   x = 90,305.06