Finding the Fourth Proportional to 15,553.94, 23,317.69 and 7,238.78

Step by Step Solution

1. Step 1: Write the proportion equation
   15,553.94 : 23,317.69 = 7,238.78 : x
2. Step 2: Convert to fraction form
   15,553.94/23,317.69 = 7,238.78/x
3. Step 3: Cross multiply
   15,553.94x = 23,317.69 × 7,238.78
4. Step 4: Simplify right side
   15,553.94x = 168,791,628.02
5. Step 5: Solve for x
   x = 168,791,628.02/15,553.94
6. Step 6: Final answer
   x = 10,852.02