Finding the Fourth Proportional to 119,378.71, 164,746.96 and 65,667.81

Step by Step Solution

1. Step 1: Write the proportion equation
   119,378.71 : 164,746.96 = 65,667.81 : x
2. Step 2: Convert to fraction form
   119,378.71/164,746.96 = 65,667.81/x
3. Step 3: Cross multiply
   119,378.71x = 164,746.96 × 65,667.81
4. Step 4: Simplify right side
   119,378.71x = 10,818,572,890.37
5. Step 5: Solve for x
   x = 10,818,572,890.37/119,378.71
6. Step 6: Final answer
   x = 90,623.97