Finding the Fourth Proportional to 69,672.96, 96,136.20 and 41,385.60

Step by Step Solution

1. Step 1: Write the proportion equation
   69,672.96 : 96,136.20 = 41,385.60 : x
2. Step 2: Convert to fraction form
   69,672.96/96,136.20 = 41,385.60/x
3. Step 3: Cross multiply
   69,672.96x = 96,136.20 × 41,385.60
4. Step 4: Simplify right side
   69,672.96x = 3,978,654,318.72
5. Step 5: Solve for x
   x = 3,978,654,318.72/69,672.96
6. Step 6: Final answer
   x = 57,104.71