Finding the Fourth Proportional to 95,078.40, 131,068.38 and 72,377.82

Step by Step Solution

1. Step 1: Write the proportion equation
   95,078.40 : 131,068.38 = 72,377.82 : x
2. Step 2: Convert to fraction form
   95,078.40/131,068.38 = 72,377.82/x
3. Step 3: Cross multiply
   95,078.40x = 131,068.38 × 72,377.82
4. Step 4: Simplify right side
   95,078.40x = 9,486,443,615.33
5. Step 5: Solve for x
   x = 9,486,443,615.33/95,078.40
6. Step 6: Final answer
   x = 99,774.96