Finding the Fourth Proportional to 117,524.67, 162,167.72 and 69,128.79

Step by Step Solution

1. Step 1: Write the proportion equation
   117,524.67 : 162,167.72 = 69,128.79 : x
2. Step 2: Convert to fraction form
   117,524.67/162,167.72 = 69,128.79/x
3. Step 3: Cross multiply
   117,524.67x = 162,167.72 × 69,128.79
4. Step 4: Simplify right side
   117,524.67x = 11,210,457,915.01
5. Step 5: Solve for x
   x = 11,210,457,915.01/117,524.67
6. Step 6: Final answer
   x = 95,388.13