Finding the Fourth Proportional to 162,820.06, 224,685.16 and 91,196.42

Step by Step Solution

1. Step 1: Write the proportion equation
   162,820.06 : 224,685.16 = 91,196.42 : x
2. Step 2: Convert to fraction form
   162,820.06/224,685.16 = 91,196.42/x
3. Step 3: Cross multiply
   162,820.06x = 224,685.16 × 91,196.42
4. Step 4: Simplify right side
   162,820.06x = 20,490,480,867.71
5. Step 5: Solve for x
   x = 20,490,480,867.71/162,820.06
6. Step 6: Final answer
   x = 125,847.40