Finding the Fourth Proportional to 119,397.84, 164,763.82 and 65,679.45

Step by Step Solution

1. Step 1: Write the proportion equation
   119,397.84 : 164,763.82 = 65,679.45 : x
2. Step 2: Convert to fraction form
   119,397.84/164,763.82 = 65,679.45/x
3. Step 3: Cross multiply
   119,397.84x = 164,763.82 × 65,679.45
4. Step 4: Simplify right side
   119,397.84x = 10,821,597,077.50
5. Step 5: Solve for x
   x = 10,821,597,077.50/119,397.84
6. Step 6: Final answer
   x = 90,634.78