Finding the Fourth Proportional to 12,368.50, 18,553.83 and 3,134.50

Step by Step Solution

1. Step 1: Write the proportion equation
   12,368.50 : 18,553.83 = 3,134.50 : x
2. Step 2: Convert to fraction form
   12,368.50/18,553.83 = 3,134.50/x
3. Step 3: Cross multiply
   12,368.50x = 18,553.83 × 3,134.50
4. Step 4: Simplify right side
   12,368.50x = 58,156,980.14
5. Step 5: Solve for x
   x = 58,156,980.14/12,368.50
6. Step 6: Final answer
   x = 4,702.02