Finding the Fourth Proportional to 162,808.68, 224,669.86 and 91,185.16

Step by Step Solution

1. Step 1: Write the proportion equation
   162,808.68 : 224,669.86 = 91,185.16 : x
2. Step 2: Convert to fraction form
   162,808.68/224,669.86 = 91,185.16/x
3. Step 3: Cross multiply
   162,808.68x = 224,669.86 × 91,185.16
4. Step 4: Simplify right side
   162,808.68x = 20,486,557,131.28
5. Step 5: Solve for x
   x = 20,486,557,131.28/162,808.68
6. Step 6: Final answer
   x = 125,832.09