Finding the Fourth Proportional to 82,333.80, 123,552.66 and 42,918.60

Step by Step Solution

1. Step 1: Write the proportion equation
   82,333.80 : 123,552.66 = 42,918.60 : x
2. Step 2: Convert to fraction form
   82,333.80/123,552.66 = 42,918.60/x
3. Step 3: Cross multiply
   82,333.80x = 123,552.66 × 42,918.60
4. Step 4: Simplify right side
   82,333.80x = 5,302,707,193.48
5. Step 5: Solve for x
   x = 5,302,707,193.48/82,333.80
6. Step 6: Final answer
   x = 64,404.99