Finding the Fourth Proportional to 117,167.62, 161,692.89 and 65,482.45

Step by Step Solution

1. Step 1: Write the proportion equation
   117,167.62 : 161,692.89 = 65,482.45 : x
2. Step 2: Convert to fraction form
   117,167.62/161,692.89 = 65,482.45/x
3. Step 3: Cross multiply
   117,167.62x = 161,692.89 × 65,482.45
4. Step 4: Simplify right side
   117,167.62x = 10,588,046,584.78
5. Step 5: Solve for x
   x = 10,588,046,584.78/117,167.62
6. Step 6: Final answer
   x = 90,366.66