Finding the Fourth Proportional to 162,843.13, 224,720.89 and 91,222.93

Step by Step Solution

1. Step 1: Write the proportion equation
   162,843.13 : 224,720.89 = 91,222.93 : x
2. Step 2: Convert to fraction form
   162,843.13/224,720.89 = 91,222.93/x
3. Step 3: Cross multiply
   162,843.13x = 224,720.89 × 91,222.93
4. Step 4: Simplify right side
   162,843.13x = 20,499,698,018.01
5. Step 5: Solve for x
   x = 20,499,698,018.01/162,843.13
6. Step 6: Final answer
   x = 125,886.17