Finding the Fourth Proportional to 12,977.27, 17,906.71 and 7,310.88

Step by Step Solution

1. Step 1: Write the proportion equation
   12,977.27 : 17,906.71 = 7,310.88 : x
2. Step 2: Convert to fraction form
   12,977.27/17,906.71 = 7,310.88/x
3. Step 3: Cross multiply
   12,977.27x = 17,906.71 × 7,310.88
4. Step 4: Simplify right side
   12,977.27x = 130,913,808.00
5. Step 5: Solve for x
   x = 130,913,808.00/12,977.27
6. Step 6: Final answer
   x = 10,087.93