Finding the Fourth Proportional to 162,784, 224,649.16 and 91,162.48

Step by Step Solution

1. Step 1: Write the proportion equation
   162,784 : 224,649.16 = 91,162.48 : x
2. Step 2: Convert to fraction form
   162,784/224,649.16 = 91,162.48/x
3. Step 3: Cross multiply
   162,784x = 224,649.16 × 91,162.48
4. Step 4: Simplify right side
   162,784x = 20,479,574,555.52
5. Step 5: Solve for x
   x = 20,479,574,555.52/162,784
6. Step 6: Final answer
   x = 125,808.28