Finding the Fourth Proportional to 162,856.56, 224,745.72 and 91,232.88

Step by Step Solution

1. Step 1: Write the proportion equation
   162,856.56 : 224,745.72 = 91,232.88 : x
2. Step 2: Convert to fraction form
   162,856.56/224,745.72 = 91,232.88/x
3. Step 3: Cross multiply
   162,856.56x = 224,745.72 × 91,232.88
4. Step 4: Simplify right side
   162,856.56x = 20,504,199,303.27
5. Step 5: Solve for x
   x = 20,504,199,303.27/162,856.56
6. Step 6: Final answer
   x = 125,903.43