Finding the Fourth Proportional to 144,419.31, 216,448.56 and 69,525.54

Step by Step Solution

1. Step 1: Write the proportion equation
   144,419.31 : 216,448.56 = 69,525.54 : x
2. Step 2: Convert to fraction form
   144,419.31/216,448.56 = 69,525.54/x
3. Step 3: Cross multiply
   144,419.31x = 216,448.56 × 69,525.54
4. Step 4: Simplify right side
   144,419.31x = 15,048,703,016.22
5. Step 5: Solve for x
   x = 15,048,703,016.22/144,419.31
6. Step 6: Final answer
   x = 104,201.46