Finding the Fourth Proportional to 82,787.52, 123,580.24 and 76,619.84

Step by Step Solution

1. Step 1: Write the proportion equation
   82,787.52 : 123,580.24 = 76,619.84 : x
2. Step 2: Convert to fraction form
   82,787.52/123,580.24 = 76,619.84/x
3. Step 3: Cross multiply
   82,787.52x = 123,580.24 × 76,619.84
4. Step 4: Simplify right side
   82,787.52x = 9,468,698,215.96
5. Step 5: Solve for x
   x = 9,468,698,215.96/82,787.52
6. Step 6: Final answer
   x = 114,373.50