Finding the Fourth Proportional to 162,811.83, 224,684.71 and 91,190.28

Step by Step Solution

1. Step 1: Write the proportion equation
   162,811.83 : 224,684.71 = 91,190.28 : x
2. Step 2: Convert to fraction form
   162,811.83/224,684.71 = 91,190.28/x
3. Step 3: Cross multiply
   162,811.83x = 224,684.71 × 91,190.28
4. Step 4: Simplify right side
   162,811.83x = 20,489,061,388.64
5. Step 5: Solve for x
   x = 20,489,061,388.64/162,811.83
6. Step 6: Final answer
   x = 125,845.04