Finding the Fourth Proportional to 71,686.76, 107,522.76 and 21,764.84

Step by Step Solution

1. Step 1: Write the proportion equation
   71,686.76 : 107,522.76 = 21,764.84 : x
2. Step 2: Convert to fraction form
   71,686.76/107,522.76 = 21,764.84/x
3. Step 3: Cross multiply
   71,686.76x = 107,522.76 × 21,764.84
4. Step 4: Simplify right side
   71,686.76x = 2,340,215,667.76
5. Step 5: Solve for x
   x = 2,340,215,667.76/71,686.76
6. Step 6: Final answer
   x = 32,645.02