Finding the Fourth Proportional to 82,984.32, 123,947.28 and 75,074.76

Step by Step Solution

1. Step 1: Write the proportion equation
   82,984.32 : 123,947.28 = 75,074.76 : x
2. Step 2: Convert to fraction form
   82,984.32/123,947.28 = 75,074.76/x
3. Step 3: Cross multiply
   82,984.32x = 123,947.28 × 75,074.76
4. Step 4: Simplify right side
   82,984.32x = 9,305,312,298.65
5. Step 5: Solve for x
   x = 9,305,312,298.65/82,984.32
6. Step 6: Final answer
   x = 112,133.38