Finding the Fourth Proportional to 151,498.39, 209,069.25 and 83,518.03

Step by Step Solution

1. Step 1: Write the proportion equation
   151,498.39 : 209,069.25 = 83,518.03 : x
2. Step 2: Convert to fraction form
   151,498.39/209,069.25 = 83,518.03/x
3. Step 3: Cross multiply
   151,498.39x = 209,069.25 × 83,518.03
4. Step 4: Simplify right side
   151,498.39x = 17,461,051,893.58
5. Step 5: Solve for x
   x = 17,461,051,893.58/151,498.39
6. Step 6: Final answer
   x = 115,255.69