Finding the Fourth Proportional to 9,427.78, 14,143.40 and 3,103.01

Step by Step Solution

1. Step 1: Write the proportion equation
   9,427.78 : 14,143.40 = 3,103.01 : x
2. Step 2: Convert to fraction form
   9,427.78/14,143.40 = 3,103.01/x
3. Step 3: Cross multiply
   9,427.78x = 14,143.40 × 3,103.01
4. Step 4: Simplify right side
   9,427.78x = 43,887,111.63
5. Step 5: Solve for x
   x = 43,887,111.63/9,427.78
6. Step 6: Final answer
   x = 4,655.08