Finding the Fourth Proportional to 162,693.21, 224,514.34 and 91,073.15

Step by Step Solution

1. Step 1: Write the proportion equation
   162,693.21 : 224,514.34 = 91,073.15 : x
2. Step 2: Convert to fraction form
   162,693.21/224,514.34 = 91,073.15/x
3. Step 3: Cross multiply
   162,693.21x = 224,514.34 × 91,073.15
4. Step 4: Simplify right side
   162,693.21x = 20,447,226,813.72
5. Step 5: Solve for x
   x = 20,447,226,813.72/162,693.21
6. Step 6: Final answer
   x = 125,679.66