Finding the Fourth Proportional to 82,483.84, 123,615.60 and 42,958.08

Step by Step Solution

1. Step 1: Write the proportion equation
   82,483.84 : 123,615.60 = 42,958.08 : x
2. Step 2: Convert to fraction form
   82,483.84/123,615.60 = 42,958.08/x
3. Step 3: Cross multiply
   82,483.84x = 123,615.60 × 42,958.08
4. Step 4: Simplify right side
   82,483.84x = 5,310,288,834.05
5. Step 5: Solve for x
   x = 5,310,288,834.05/82,483.84
6. Step 6: Final answer
   x = 64,379.75