Finding the Fourth Proportional to 171,223.82, 236,308.83 and 99,606.86

Step by Step Solution

1. Step 1: Write the proportion equation
   171,223.82 : 236,308.83 = 99,606.86 : x
2. Step 2: Convert to fraction form
   171,223.82/236,308.83 = 99,606.86/x
3. Step 3: Cross multiply
   171,223.82x = 236,308.83 × 99,606.86
4. Step 4: Simplify right side
   171,223.82x = 23,537,980,546.57
5. Step 5: Solve for x
   x = 23,537,980,546.57/171,223.82
6. Step 6: Final answer
   x = 137,469.08