Finding the Fourth Proportional to 123,254.01, 170,090.37 and 66,665.34

Step by Step Solution

1. Step 1: Write the proportion equation
   123,254.01 : 170,090.37 = 66,665.34 : x
2. Step 2: Convert to fraction form
   123,254.01/170,090.37 = 66,665.34/x
3. Step 3: Cross multiply
   123,254.01x = 170,090.37 × 66,665.34
4. Step 4: Simplify right side
   123,254.01x = 11,339,132,346.78
5. Step 5: Solve for x
   x = 11,339,132,346.78/123,254.01
6. Step 6: Final answer
   x = 91,998.08