Finding the Fourth Proportional to 106,419.88, 159,522.02 and 69,003.69

Step by Step Solution

1. Step 1: Write the proportion equation
   106,419.88 : 159,522.02 = 69,003.69 : x
2. Step 2: Convert to fraction form
   106,419.88/159,522.02 = 69,003.69/x
3. Step 3: Cross multiply
   106,419.88x = 159,522.02 × 69,003.69
4. Step 4: Simplify right side
   106,419.88x = 11,007,608,016.25
5. Step 5: Solve for x
   x = 11,007,608,016.25/106,419.88
6. Step 6: Final answer
   x = 103,435.64