Finding the Fourth Proportional to 118,056.47, 162,913.17 and 64,340.33

Step by Step Solution

1. Step 1: Write the proportion equation
   118,056.47 : 162,913.17 = 64,340.33 : x
2. Step 2: Convert to fraction form
   118,056.47/162,913.17 = 64,340.33/x
3. Step 3: Cross multiply
   118,056.47x = 162,913.17 × 64,340.33
4. Step 4: Simplify right side
   118,056.47x = 10,481,886,872.71
5. Step 5: Solve for x
   x = 10,481,886,872.71/118,056.47
6. Step 6: Final answer
   x = 88,787.06