Finding the Fourth Proportional to 65,441.32, 98,177.37 and 21,066.42

Step by Step Solution

1. Step 1: Write the proportion equation
   65,441.32 : 98,177.37 = 21,066.42 : x
2. Step 2: Convert to fraction form
   65,441.32/98,177.37 = 21,066.42/x
3. Step 3: Cross multiply
   65,441.32x = 98,177.37 × 21,066.42
4. Step 4: Simplify right side
   65,441.32x = 2,068,245,263.75
5. Step 5: Solve for x
   x = 2,068,245,263.75/65,441.32
6. Step 6: Final answer
   x = 31,604.58