Finding the Fourth Proportional to 9,892.71, 14,840.06 and 3,654.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,892.71 : 14,840.06 = 3,654.36 : x
2. Step 2: Convert to fraction form
   9,892.71/14,840.06 = 3,654.36/x
3. Step 3: Cross multiply
   9,892.71x = 14,840.06 × 3,654.36
4. Step 4: Simplify right side
   9,892.71x = 54,230,903.39
5. Step 5: Solve for x
   x = 54,230,903.39/9,892.71
6. Step 6: Final answer
   x = 5,481.91