Finding the Fourth Proportional to 146,818.66, 220,225 and 46,978.84

Step by Step Solution

1. Step 1: Write the proportion equation
   146,818.66 : 220,225 = 46,978.84 : x
2. Step 2: Convert to fraction form
   146,818.66/220,225 = 46,978.84/x
3. Step 3: Cross multiply
   146,818.66x = 220,225 × 46,978.84
4. Step 4: Simplify right side
   146,818.66x = 10,345,915,039
5. Step 5: Solve for x
   x = 10,345,915,039/146,818.66
6. Step 6: Final answer
   x = 70,467.30