Finding the Fourth Proportional to 12,039.54, 18,047.01 and 4,641.10

Step by Step Solution

1. Step 1: Write the proportion equation
   12,039.54 : 18,047.01 = 4,641.10 : x
2. Step 2: Convert to fraction form
   12,039.54/18,047.01 = 4,641.10/x
3. Step 3: Cross multiply
   12,039.54x = 18,047.01 × 4,641.10
4. Step 4: Simplify right side
   12,039.54x = 83,757,978.11
5. Step 5: Solve for x
   x = 83,757,978.11/12,039.54
6. Step 6: Final answer
   x = 6,956.91