Finding the Fourth Proportional to 167,922.72, 231,730.00 and 91,442.72

Step by Step Solution

1. Step 1: Write the proportion equation
   167,922.72 : 231,730.00 = 91,442.72 : x
2. Step 2: Convert to fraction form
   167,922.72/231,730.00 = 91,442.72/x
3. Step 3: Cross multiply
   167,922.72x = 231,730.00 × 91,442.72
4. Step 4: Simplify right side
   167,922.72x = 21,190,021,856.32
5. Step 5: Solve for x
   x = 21,190,021,856.32/167,922.72
6. Step 6: Final answer
   x = 126,189.13