Finding the Fourth Proportional to 174,300.60, 261,062.10 and 143,196.60

Step by Step Solution

1. Step 1: Write the proportion equation
   174,300.60 : 261,062.10 = 143,196.60 : x
2. Step 2: Convert to fraction form
   174,300.60/261,062.10 = 143,196.60/x
3. Step 3: Cross multiply
   174,300.60x = 261,062.10 × 143,196.60
4. Step 4: Simplify right side
   174,300.60x = 37,383,205,108.86
5. Step 5: Solve for x
   x = 37,383,205,108.86/174,300.60
6. Step 6: Final answer
   x = 214,475.48