Finding the Fourth Proportional to 118,056.73, 162,913.54 and 64,340.59

Step by Step Solution

1. Step 1: Write the proportion equation
   118,056.73 : 162,913.54 = 64,340.59 : x
2. Step 2: Convert to fraction form
   118,056.73/162,913.54 = 64,340.59/x
3. Step 3: Cross multiply
   118,056.73x = 162,913.54 × 64,340.59
4. Step 4: Simplify right side
   118,056.73x = 10,481,953,566.66
5. Step 5: Solve for x
   x = 10,481,953,566.66/118,056.73
6. Step 6: Final answer
   x = 88,787.43