Finding the Fourth Proportional to 118,055.48, 162,911.79 and 64,339.34

Step by Step Solution

1. Step 1: Write the proportion equation
   118,055.48 : 162,911.79 = 64,339.34 : x
2. Step 2: Convert to fraction form
   118,055.48/162,911.79 = 64,339.34/x
3. Step 3: Cross multiply
   118,055.48x = 162,911.79 × 64,339.34
4. Step 4: Simplify right side
   118,055.48x = 10,481,636,232.26
5. Step 5: Solve for x
   x = 10,481,636,232.26/118,055.48
6. Step 6: Final answer
   x = 88,785.69