Finding the Fourth Proportional to 12,298.95, 16,973.27 and 9,310.05

Step by Step Solution

1. Step 1: Write the proportion equation
   12,298.95 : 16,973.27 = 9,310.05 : x
2. Step 2: Convert to fraction form
   12,298.95/16,973.27 = 9,310.05/x
3. Step 3: Cross multiply
   12,298.95x = 16,973.27 × 9,310.05
4. Step 4: Simplify right side
   12,298.95x = 158,021,945.81
5. Step 5: Solve for x
   x = 158,021,945.81/12,298.95
6. Step 6: Final answer
   x = 12,848.41