Finding the Fourth Proportional to 353,893.59, 488,697.71 and 224,874.59

Step by Step Solution

1. Step 1: Write the proportion equation
   353,893.59 : 488,697.71 = 224,874.59 : x
2. Step 2: Convert to fraction form
   353,893.59/488,697.71 = 224,874.59/x
3. Step 3: Cross multiply
   353,893.59x = 488,697.71 × 224,874.59
4. Step 4: Simplify right side
   353,893.59x = 109,895,693,602.33
5. Step 5: Solve for x
   x = 109,895,693,602.33/353,893.59
6. Step 6: Final answer
   x = 310,533.16