Finding the Fourth Proportional to 8,060.78, 12,094.73 and 3,130.79

Step by Step Solution

1. Step 1: Write the proportion equation
   8,060.78 : 12,094.73 = 3,130.79 : x
2. Step 2: Convert to fraction form
   8,060.78/12,094.73 = 3,130.79/x
3. Step 3: Cross multiply
   8,060.78x = 12,094.73 × 3,130.79
4. Step 4: Simplify right side
   8,060.78x = 37,866,097.80
5. Step 5: Solve for x
   x = 37,866,097.80/8,060.78
6. Step 6: Final answer
   x = 4,697.58