Finding the Fourth Proportional to 168,029.31, 231,873.71 and 91,549.02

Step by Step Solution

1. Step 1: Write the proportion equation
   168,029.31 : 231,873.71 = 91,549.02 : x
2. Step 2: Convert to fraction form
   168,029.31/231,873.71 = 91,549.02/x
3. Step 3: Cross multiply
   168,029.31x = 231,873.71 × 91,549.02
4. Step 4: Simplify right side
   168,029.31x = 21,227,810,456.52
5. Step 5: Solve for x
   x = 21,227,810,456.52/168,029.31
6. Step 6: Final answer
   x = 126,333.97