Finding the Fourth Proportional to 8,051.78, 12,055.37 and 6,071.42

Step by Step Solution

1. Step 1: Write the proportion equation
   8,051.78 : 12,055.37 = 6,071.42 : x
2. Step 2: Convert to fraction form
   8,051.78/12,055.37 = 6,071.42/x
3. Step 3: Cross multiply
   8,051.78x = 12,055.37 × 6,071.42
4. Step 4: Simplify right side
   8,051.78x = 73,193,123.89
5. Step 5: Solve for x
   x = 73,193,123.89/8,051.78
6. Step 6: Final answer
   x = 9,090.31