Finding the Fourth Proportional to 51,279.82, 76,927.86 and 21,697.88

Step by Step Solution

1. Step 1: Write the proportion equation
   51,279.82 : 76,927.86 = 21,697.88 : x
2. Step 2: Convert to fraction form
   51,279.82/76,927.86 = 21,697.88/x
3. Step 3: Cross multiply
   51,279.82x = 76,927.86 × 21,697.88
4. Step 4: Simplify right side
   51,279.82x = 1,669,171,090.30
5. Step 5: Solve for x
   x = 1,669,171,090.30/51,279.82
6. Step 6: Final answer
   x = 32,550.25