Finding the Fourth Proportional to 222,953.69, 307,931.60 and 146,813.15

Step by Step Solution

1. Step 1: Write the proportion equation
   222,953.69 : 307,931.60 = 146,813.15 : x
2. Step 2: Convert to fraction form
   222,953.69/307,931.60 = 146,813.15/x
3. Step 3: Cross multiply
   222,953.69x = 307,931.60 × 146,813.15
4. Step 4: Simplify right side
   222,953.69x = 45,208,405,906.82
5. Step 5: Solve for x
   x = 45,208,405,906.82/222,953.69
6. Step 6: Final answer
   x = 202,770.39