Finding the Fourth Proportional to 144,185.40, 216,300.58 and 69,291.59

Step by Step Solution

1. Step 1: Write the proportion equation
   144,185.40 : 216,300.58 = 69,291.59 : x
2. Step 2: Convert to fraction form
   144,185.40/216,300.58 = 69,291.59/x
3. Step 3: Cross multiply
   144,185.40x = 216,300.58 × 69,291.59
4. Step 4: Simplify right side
   144,185.40x = 14,987,809,851.39
5. Step 5: Solve for x
   x = 14,987,809,851.39/144,185.40
6. Step 6: Final answer
   x = 103,948.18