Finding the Fourth Proportional to 151,790.32, 209,483.16 and 83,814.04

Step by Step Solution

1. Step 1: Write the proportion equation
   151,790.32 : 209,483.16 = 83,814.04 : x
2. Step 2: Convert to fraction form
   151,790.32/209,483.16 = 83,814.04/x
3. Step 3: Cross multiply
   151,790.32x = 209,483.16 × 83,814.04
4. Step 4: Simplify right side
   151,790.32x = 17,557,629,951.57
5. Step 5: Solve for x
   x = 17,557,629,951.57/151,790.32
6. Step 6: Final answer
   x = 115,670.29