Finding the Fourth Proportional to 168,022.77, 231,870.71 and 91,541.63

Step by Step Solution

1. Step 1: Write the proportion equation
   168,022.77 : 231,870.71 = 91,541.63 : x
2. Step 2: Convert to fraction form
   168,022.77/231,870.71 = 91,541.63/x
3. Step 3: Cross multiply
   168,022.77x = 231,870.71 × 91,541.63
4. Step 4: Simplify right side
   168,022.77x = 21,225,821,125.60
5. Step 5: Solve for x
   x = 21,225,821,125.60/168,022.77
6. Step 6: Final answer
   x = 126,327.05