Finding the Fourth Proportional to 117,903.72, 162,688.80 and 67,593

Step by Step Solution

1. Step 1: Write the proportion equation
   117,903.72 : 162,688.80 = 67,593 : x
2. Step 2: Convert to fraction form
   117,903.72/162,688.80 = 67,593/x
3. Step 3: Cross multiply
   117,903.72x = 162,688.80 × 67,593
4. Step 4: Simplify right side
   117,903.72x = 10,996,624,058.40
5. Step 5: Solve for x
   x = 10,996,624,058.40/117,903.72
6. Step 6: Final answer
   x = 93,267.83