Finding the Fourth Proportional to 151,549.23, 209,139.39 and 83,568.61

Step by Step Solution

1. Step 1: Write the proportion equation
   151,549.23 : 209,139.39 = 83,568.61 : x
2. Step 2: Convert to fraction form
   151,549.23/209,139.39 = 83,568.61/x
3. Step 3: Cross multiply
   151,549.23x = 209,139.39 × 83,568.61
4. Step 4: Simplify right side
   151,549.23x = 17,477,488,615.01
5. Step 5: Solve for x
   x = 17,477,488,615.01/151,549.23
6. Step 6: Final answer
   x = 115,325.49