Finding the Fourth Proportional to 13,301.42, 19,955.04 and 3,942.17

Step by Step Solution

1. Step 1: Write the proportion equation
   13,301.42 : 19,955.04 = 3,942.17 : x
2. Step 2: Convert to fraction form
   13,301.42/19,955.04 = 3,942.17/x
3. Step 3: Cross multiply
   13,301.42x = 19,955.04 × 3,942.17
4. Step 4: Simplify right side
   13,301.42x = 78,666,160.04
5. Step 5: Solve for x
   x = 78,666,160.04/13,301.42
6. Step 6: Final answer
   x = 5,914.12