Finding the Fourth Proportional to 12,037.50, 18,059.85 and 5,112.54

Step by Step Solution

1. Step 1: Write the proportion equation
   12,037.50 : 18,059.85 = 5,112.54 : x
2. Step 2: Convert to fraction form
   12,037.50/18,059.85 = 5,112.54/x
3. Step 3: Cross multiply
   12,037.50x = 18,059.85 × 5,112.54
4. Step 4: Simplify right side
   12,037.50x = 92,331,705.52
5. Step 5: Solve for x
   x = 92,331,705.52/12,037.50
6. Step 6: Final answer
   x = 7,670.34