Finding the Fourth Proportional to 223,986.01, 309,100.70 and 123,384.01

Step by Step Solution

1. Step 1: Write the proportion equation
   223,986.01 : 309,100.70 = 123,384.01 : x
2. Step 2: Convert to fraction form
   223,986.01/309,100.70 = 123,384.01/x
3. Step 3: Cross multiply
   223,986.01x = 309,100.70 × 123,384.01
4. Step 4: Simplify right side
   223,986.01x = 38,138,083,859.81
5. Step 5: Solve for x
   x = 38,138,083,859.81/223,986.01
6. Step 6: Final answer
   x = 170,269.94