Finding the Fourth Proportional to 108,760.34, 163,133.95 and 64,667.69

Step by Step Solution

1. Step 1: Write the proportion equation
   108,760.34 : 163,133.95 = 64,667.69 : x
2. Step 2: Convert to fraction form
   108,760.34/163,133.95 = 64,667.69/x
3. Step 3: Cross multiply
   108,760.34x = 163,133.95 × 64,667.69
4. Step 4: Simplify right side
   108,760.34x = 10,549,494,729.74
5. Step 5: Solve for x
   x = 10,549,494,729.74/108,760.34
6. Step 6: Final answer
   x = 96,997.63