Finding the Fourth Proportional to 117,893, 162,692.36 and 64,178.42

Step by Step Solution

1. Step 1: Write the proportion equation
   117,893 : 162,692.36 = 64,178.42 : x
2. Step 2: Convert to fraction form
   117,893/162,692.36 = 64,178.42/x
3. Step 3: Cross multiply
   117,893x = 162,692.36 × 64,178.42
4. Step 4: Simplify right side
   117,893x = 10,441,338,610.87
5. Step 5: Solve for x
   x = 10,441,338,610.87/117,893
6. Step 6: Final answer
   x = 88,566.23