Finding the Fourth Proportional to 72,714.20, 101,869 and 72,714.20

Step by Step Solution

1. Step 1: Write the proportion equation
   72,714.20 : 101,869 = 72,714.20 : x
2. Step 2: Convert to fraction form
   72,714.20/101,869 = 72,714.20/x
3. Step 3: Cross multiply
   72,714.20x = 101,869 × 72,714.20
4. Step 4: Simplify right side
   72,714.20x = 7,407,322,839.80
5. Step 5: Solve for x
   x = 7,407,322,839.80/72,714.20
6. Step 6: Final answer
   x = 101,869