Finding the Fourth Proportional to 214,496.10, 321,853.50 and 88,233.30

Step by Step Solution

1. Step 1: Write the proportion equation
   214,496.10 : 321,853.50 = 88,233.30 : x
2. Step 2: Convert to fraction form
   214,496.10/321,853.50 = 88,233.30/x
3. Step 3: Cross multiply
   214,496.10x = 321,853.50 × 88,233.30
4. Step 4: Simplify right side
   214,496.10x = 28,398,196,421.55
5. Step 5: Solve for x
   x = 28,398,196,421.55/214,496.10
6. Step 6: Final answer
   x = 132,394.93