Finding the Fourth Proportional to 281,586.72, 422,381.48 and 71,224.86

Step by Step Solution

1. Step 1: Write the proportion equation
   281,586.72 : 422,381.48 = 71,224.86 : x
2. Step 2: Convert to fraction form
   281,586.72/422,381.48 = 71,224.86/x
3. Step 3: Cross multiply
   281,586.72x = 422,381.48 × 71,224.86
4. Step 4: Simplify right side
   281,586.72x = 30,084,061,779.59
5. Step 5: Solve for x
   x = 30,084,061,779.59/281,586.72
6. Step 6: Final answer
   x = 106,837.64