Finding the Fourth Proportional to 223,131.48, 307,710.33 and 146,515.40

Step by Step Solution

1. Step 1: Write the proportion equation
   223,131.48 : 307,710.33 = 146,515.40 : x
2. Step 2: Convert to fraction form
   223,131.48/307,710.33 = 146,515.40/x
3. Step 3: Cross multiply
   223,131.48x = 307,710.33 × 146,515.40
4. Step 4: Simplify right side
   223,131.48x = 45,084,300,545.53
5. Step 5: Solve for x
   x = 45,084,300,545.53/223,131.48
6. Step 6: Final answer
   x = 202,052.62