Finding the Fourth Proportional to 95,013.32, 131,120.78 and 57,290.00

Step by Step Solution

1. Step 1: Write the proportion equation
   95,013.32 : 131,120.78 = 57,290.00 : x
2. Step 2: Convert to fraction form
   95,013.32/131,120.78 = 57,290.00/x
3. Step 3: Cross multiply
   95,013.32x = 131,120.78 × 57,290.00
4. Step 4: Simplify right side
   95,013.32x = 7,511,908,544.15
5. Step 5: Solve for x
   x = 7,511,908,544.15/95,013.32
6. Step 6: Final answer
   x = 79,061.64