Finding the Fourth Proportional to 151,651.83, 209,291.40 and 83,682.30

Step by Step Solution

1. Step 1: Write the proportion equation
   151,651.83 : 209,291.40 = 83,682.30 : x
2. Step 2: Convert to fraction form
   151,651.83/209,291.40 = 83,682.30/x
3. Step 3: Cross multiply
   151,651.83x = 209,291.40 × 83,682.30
4. Step 4: Simplify right side
   151,651.83x = 17,513,985,722.22
5. Step 5: Solve for x
   x = 17,513,985,722.22/151,651.83
6. Step 6: Final answer
   x = 115,488.13