Finding the Fourth Proportional to 214,196.00, 320,943.47 and 129,982.05

Step by Step Solution

1. Step 1: Write the proportion equation
   214,196.00 : 320,943.47 = 129,982.05 : x
2. Step 2: Convert to fraction form
   214,196.00/320,943.47 = 129,982.05/x
3. Step 3: Cross multiply
   214,196.00x = 320,943.47 × 129,982.05
4. Step 4: Simplify right side
   214,196.00x = 41,716,889,514.80
5. Step 5: Solve for x
   x = 41,716,889,514.80/214,196.00
6. Step 6: Final answer
   x = 194,760.36