Finding the Fourth Proportional to 12,059.56, 18,088.76 and 3,174.68

Step by Step Solution

1. Step 1: Write the proportion equation
   12,059.56 : 18,088.76 = 3,174.68 : x
2. Step 2: Convert to fraction form
   12,059.56/18,088.76 = 3,174.68/x
3. Step 3: Cross multiply
   12,059.56x = 18,088.76 × 3,174.68
4. Step 4: Simplify right side
   12,059.56x = 57,426,024.60
5. Step 5: Solve for x
   x = 57,426,024.60/12,059.56
6. Step 6: Final answer
   x = 4,761.87