Finding the Fourth Proportional to 118,382.68, 163,365.42 and 64,667.94

Step by Step Solution

1. Step 1: Write the proportion equation
   118,382.68 : 163,365.42 = 64,667.94 : x
2. Step 2: Convert to fraction form
   118,382.68/163,365.42 = 64,667.94/x
3. Step 3: Cross multiply
   118,382.68x = 163,365.42 × 64,667.94
4. Step 4: Simplify right side
   118,382.68x = 10,564,505,178.63
5. Step 5: Solve for x
   x = 10,564,505,178.63/118,382.68
6. Step 6: Final answer
   x = 89,240.29