Finding the Fourth Proportional to 118,667.80, 163,763.11 and 64,951.67

Step by Step Solution

1. Step 1: Write the proportion equation
   118,667.80 : 163,763.11 = 64,951.67 : x
2. Step 2: Convert to fraction form
   118,667.80/163,763.11 = 64,951.67/x
3. Step 3: Cross multiply
   118,667.80x = 163,763.11 × 64,951.67
4. Step 4: Simplify right side
   118,667.80x = 10,636,686,819.98
5. Step 5: Solve for x
   x = 10,636,686,819.98/118,667.80
6. Step 6: Final answer
   x = 89,634.14