Finding the Fourth Proportional to 622,453.52, 933,802.72 and 222,986.72

Step by Step Solution

1. Step 1: Write the proportion equation
   622,453.52 : 933,802.72 = 222,986.72 : x
2. Step 2: Convert to fraction form
   622,453.52/933,802.72 = 222,986.72/x
3. Step 3: Cross multiply
   622,453.52x = 933,802.72 × 222,986.72
4. Step 4: Simplify right side
   622,453.52x = 208,225,605,659.88
5. Step 5: Solve for x
   x = 208,225,605,659.88/622,453.52
6. Step 6: Final answer
   x = 334,523.94