Finding the Fourth Proportional to 118,022.63, 162,869.17 and 64,308.09

Step by Step Solution

1. Step 1: Write the proportion equation
   118,022.63 : 162,869.17 = 64,308.09 : x
2. Step 2: Convert to fraction form
   118,022.63/162,869.17 = 64,308.09/x
3. Step 3: Cross multiply
   118,022.63x = 162,869.17 × 64,308.09
4. Step 4: Simplify right side
   118,022.63x = 10,473,805,242.59
5. Step 5: Solve for x
   x = 10,473,805,242.59/118,022.63
6. Step 6: Final answer
   x = 88,744.04