Finding the Fourth Proportional to 118,040.17, 162,890.69 and 64,324.03

Step by Step Solution

1. Step 1: Write the proportion equation
   118,040.17 : 162,890.69 = 64,324.03 : x
2. Step 2: Convert to fraction form
   118,040.17/162,890.69 = 64,324.03/x
3. Step 3: Cross multiply
   118,040.17x = 162,890.69 × 64,324.03
4. Step 4: Simplify right side
   118,040.17x = 10,477,785,308.66
5. Step 5: Solve for x
   x = 10,477,785,308.66/118,040.17
6. Step 6: Final answer
   x = 88,764.58