Finding the Fourth Proportional to 13,908.47, 19,194.51 and 7,942.01

Step by Step Solution

1. Step 1: Write the proportion equation
   13,908.47 : 19,194.51 = 7,942.01 : x
2. Step 2: Convert to fraction form
   13,908.47/19,194.51 = 7,942.01/x
3. Step 3: Cross multiply
   13,908.47x = 19,194.51 × 7,942.01
4. Step 4: Simplify right side
   13,908.47x = 152,442,990.37
5. Step 5: Solve for x
   x = 152,442,990.37/13,908.47
6. Step 6: Final answer
   x = 10,960.44