Finding the Fourth Proportional to 119,381.52, 164,747.84 and 65,667.40

Step by Step Solution

1. Step 1: Write the proportion equation
   119,381.52 : 164,747.84 = 65,667.40 : x
2. Step 2: Convert to fraction form
   119,381.52/164,747.84 = 65,667.40/x
3. Step 3: Cross multiply
   119,381.52x = 164,747.84 × 65,667.40
4. Step 4: Simplify right side
   119,381.52x = 10,818,562,308.42
5. Step 5: Solve for x
   x = 10,818,562,308.42/119,381.52
6. Step 6: Final answer
   x = 90,621.75