Finding the Fourth Proportional to 162,684.72, 224,493.84 and 91,064.16

Step by Step Solution

1. Step 1: Write the proportion equation
   162,684.72 : 224,493.84 = 91,064.16 : x
2. Step 2: Convert to fraction form
   162,684.72/224,493.84 = 91,064.16/x
3. Step 3: Cross multiply
   162,684.72x = 224,493.84 × 91,064.16
4. Step 4: Simplify right side
   162,684.72x = 20,443,342,964.77
5. Step 5: Solve for x
   x = 20,443,342,964.77/162,684.72
6. Step 6: Final answer
   x = 125,662.34