Finding the Fourth Proportional to 72,882.76, 109,254.42 and 28,494.76

Step by Step Solution

1. Step 1: Write the proportion equation
   72,882.76 : 109,254.42 = 28,494.76 : x
2. Step 2: Convert to fraction form
   72,882.76/109,254.42 = 28,494.76/x
3. Step 3: Cross multiply
   72,882.76x = 109,254.42 × 28,494.76
4. Step 4: Simplify right side
   72,882.76x = 3,113,178,476.84
5. Step 5: Solve for x
   x = 3,113,178,476.84/72,882.76
6. Step 6: Final answer
   x = 42,714.88