Finding the Fourth Proportional to 12,051.16, 18,077.55 and 3,285.34

Step by Step Solution

1. Step 1: Write the proportion equation
   12,051.16 : 18,077.55 = 3,285.34 : x
2. Step 2: Convert to fraction form
   12,051.16/18,077.55 = 3,285.34/x
3. Step 3: Cross multiply
   12,051.16x = 18,077.55 × 3,285.34
4. Step 4: Simplify right side
   12,051.16x = 59,390,898.12
5. Step 5: Solve for x
   x = 59,390,898.12/12,051.16
6. Step 6: Final answer
   x = 4,928.23