Finding the Fourth Proportional to 95,288.56, 131,488.74 and 55,015.30

Step by Step Solution

1. Step 1: Write the proportion equation
   95,288.56 : 131,488.74 = 55,015.30 : x
2. Step 2: Convert to fraction form
   95,288.56/131,488.74 = 55,015.30/x
3. Step 3: Cross multiply
   95,288.56x = 131,488.74 × 55,015.30
4. Step 4: Simplify right side
   95,288.56x = 7,233,892,477.72
5. Step 5: Solve for x
   x = 7,233,892,477.72/95,288.56
6. Step 6: Final answer
   x = 75,915.64