Finding the Fourth Proportional to 162,080.51, 223,669.09 and 89,483.99

Step by Step Solution

1. Step 1: Write the proportion equation
   162,080.51 : 223,669.09 = 89,483.99 : x
2. Step 2: Convert to fraction form
   162,080.51/223,669.09 = 89,483.99/x
3. Step 3: Cross multiply
   162,080.51x = 223,669.09 × 89,483.99
4. Step 4: Simplify right side
   162,080.51x = 20,014,802,948.33
5. Step 5: Solve for x
   x = 20,014,802,948.33/162,080.51
6. Step 6: Final answer
   x = 123,486.79