Finding the Fourth Proportional to 71,145.89, 106,714.98 and 36,084.63

Step by Step Solution

1. Step 1: Write the proportion equation
   71,145.89 : 106,714.98 = 36,084.63 : x
2. Step 2: Convert to fraction form
   71,145.89/106,714.98 = 36,084.63/x
3. Step 3: Cross multiply
   71,145.89x = 106,714.98 × 36,084.63
4. Step 4: Simplify right side
   71,145.89x = 3,850,770,568.76
5. Step 5: Solve for x
   x = 3,850,770,568.76/71,145.89
6. Step 6: Final answer
   x = 54,124.99