Finding the Fourth Proportional to 82,300.80, 123,422.40 and 42,844.80

Step by Step Solution

1. Step 1: Write the proportion equation
   82,300.80 : 123,422.40 = 42,844.80 : x
2. Step 2: Convert to fraction form
   82,300.80/123,422.40 = 42,844.80/x
3. Step 3: Cross multiply
   82,300.80x = 123,422.40 × 42,844.80
4. Step 4: Simplify right side
   82,300.80x = 5,288,008,043.52
5. Step 5: Solve for x
   x = 5,288,008,043.52/82,300.80
6. Step 6: Final answer
   x = 64,252.21