Finding the Fourth Proportional to 601,015.72, 901,980.62 and 222,294.76

Step by Step Solution

1. Step 1: Write the proportion equation
   601,015.72 : 901,980.62 = 222,294.76 : x
2. Step 2: Convert to fraction form
   601,015.72/901,980.62 = 222,294.76/x
3. Step 3: Cross multiply
   601,015.72x = 901,980.62 × 222,294.76
4. Step 4: Simplify right side
   601,015.72x = 200,505,565,447.55
5. Step 5: Solve for x
   x = 200,505,565,447.55/601,015.72
6. Step 6: Final answer
   x = 333,611.18