Finding the Fourth Proportional to 151,646.82, 209,271.16 and 83,664.34

Step by Step Solution

1. Step 1: Write the proportion equation
   151,646.82 : 209,271.16 = 83,664.34 : x
2. Step 2: Convert to fraction form
   151,646.82/209,271.16 = 83,664.34/x
3. Step 3: Cross multiply
   151,646.82x = 209,271.16 × 83,664.34
4. Step 4: Simplify right side
   151,646.82x = 17,508,532,436.08
5. Step 5: Solve for x
   x = 17,508,532,436.08/151,646.82
6. Step 6: Final answer
   x = 115,455.99