Finding the Fourth Proportional to 82,288.66, 123,437.79 and 23,128.94

Step by Step Solution

1. Step 1: Write the proportion equation
   82,288.66 : 123,437.79 = 23,128.94 : x
2. Step 2: Convert to fraction form
   82,288.66/123,437.79 = 23,128.94/x
3. Step 3: Cross multiply
   82,288.66x = 123,437.79 × 23,128.94
4. Step 4: Simplify right side
   82,288.66x = 2,854,984,621.45
5. Step 5: Solve for x
   x = 2,854,984,621.45/82,288.66
6. Step 6: Final answer
   x = 34,694.75