Finding the Fourth Proportional to 148,630.61, 222,945.32 and 53,838.61

Step by Step Solution

1. Step 1: Write the proportion equation
   148,630.61 : 222,945.32 = 53,838.61 : x
2. Step 2: Convert to fraction form
   148,630.61/222,945.32 = 53,838.61/x
3. Step 3: Cross multiply
   148,630.61x = 222,945.32 × 53,838.61
4. Step 4: Simplify right side
   148,630.61x = 12,003,065,308.25
5. Step 5: Solve for x
   x = 12,003,065,308.25/148,630.61
6. Step 6: Final answer
   x = 80,757.69