Finding the Fourth Proportional to 200,365.52, 300,658.96 and 111,669.02

Step by Step Solution

1. Step 1: Write the proportion equation
   200,365.52 : 300,658.96 = 111,669.02 : x
2. Step 2: Convert to fraction form
   200,365.52/300,658.96 = 111,669.02/x
3. Step 3: Cross multiply
   200,365.52x = 300,658.96 × 111,669.02
4. Step 4: Simplify right side
   200,365.52x = 33,574,291,417.42
5. Step 5: Solve for x
   x = 33,574,291,417.42/200,365.52
6. Step 6: Final answer
   x = 167,565.21