Finding the Fourth Proportional to 72,244.64, 107,886.82 and 71,462.72

Step by Step Solution

1. Step 1: Write the proportion equation
   72,244.64 : 107,886.82 = 71,462.72 : x
2. Step 2: Convert to fraction form
   72,244.64/107,886.82 = 71,462.72/x
3. Step 3: Cross multiply
   72,244.64x = 107,886.82 × 71,462.72
4. Step 4: Simplify right side
   72,244.64x = 7,709,885,609.35
5. Step 5: Solve for x
   x = 7,709,885,609.35/72,244.64
6. Step 6: Final answer
   x = 106,719.14