Finding the Fourth Proportional to 341,164.59, 510,905.89 and 214,490.58

Step by Step Solution

1. Step 1: Write the proportion equation
   341,164.59 : 510,905.89 = 214,490.58 : x
2. Step 2: Convert to fraction form
   341,164.59/510,905.89 = 214,490.58/x
3. Step 3: Cross multiply
   341,164.59x = 510,905.89 × 214,490.58
4. Step 4: Simplify right side
   341,164.59x = 109,584,500,671.52
5. Step 5: Solve for x
   x = 109,584,500,671.52/341,164.59
6. Step 6: Final answer
   x = 321,207.14