Finding the Fourth Proportional to 118,056.67, 162,913.46 and 64,340.53

Step by Step Solution

1. Step 1: Write the proportion equation
   118,056.67 : 162,913.46 = 64,340.53 : x
2. Step 2: Convert to fraction form
   118,056.67/162,913.46 = 64,340.53/x
3. Step 3: Cross multiply
   118,056.67x = 162,913.46 × 64,340.53
4. Step 4: Simplify right side
   118,056.67x = 10,481,938,038.83
5. Step 5: Solve for x
   x = 10,481,938,038.83/118,056.67
6. Step 6: Final answer
   x = 88,787.35