Finding the Fourth Proportional to 795,420, 1,097,679.78 and 437,724

Step by Step Solution

1. Step 1: Write the proportion equation
   795,420 : 1,097,679.78 = 437,724 : x
2. Step 2: Convert to fraction form
   795,420/1,097,679.78 = 437,724/x
3. Step 3: Cross multiply
   795,420x = 1,097,679.78 × 437,724
4. Step 4: Simplify right side
   795,420x = 480,480,784,020.72
5. Step 5: Solve for x
   x = 480,480,784,020.72/795,420
6. Step 6: Final answer
   x = 604,059.22