Finding the Fourth Proportional to 460,196.22, 635,266.72 and 309,380.70

Step by Step Solution

1. Step 1: Write the proportion equation
   460,196.22 : 635,266.72 = 309,380.70 : x
2. Step 2: Convert to fraction form
   460,196.22/635,266.72 = 309,380.70/x
3. Step 3: Cross multiply
   460,196.22x = 635,266.72 × 309,380.70
4. Step 4: Simplify right side
   460,196.22x = 196,539,262,520.30
5. Step 5: Solve for x
   x = 196,539,262,520.30/460,196.22
6. Step 6: Final answer
   x = 427,077.09