Finding the Fourth Proportional to 8,640.52, 12,958.89 and 3,373.84

Step by Step Solution

1. Step 1: Write the proportion equation
   8,640.52 : 12,958.89 = 3,373.84 : x
2. Step 2: Convert to fraction form
   8,640.52/12,958.89 = 3,373.84/x
3. Step 3: Cross multiply
   8,640.52x = 12,958.89 × 3,373.84
4. Step 4: Simplify right side
   8,640.52x = 43,721,156.64
5. Step 5: Solve for x
   x = 43,721,156.64/8,640.52
6. Step 6: Final answer
   x = 5,060.02