Finding the Fourth Proportional to 82,484.07, 123,504.67 and 42,958.15

Step by Step Solution

1. Step 1: Write the proportion equation
   82,484.07 : 123,504.67 = 42,958.15 : x
2. Step 2: Convert to fraction form
   82,484.07/123,504.67 = 42,958.15/x
3. Step 3: Cross multiply
   82,484.07x = 123,504.67 × 42,958.15
4. Step 4: Simplify right side
   82,484.07x = 5,305,532,005.32
5. Step 5: Solve for x
   x = 5,305,532,005.32/82,484.07
6. Step 6: Final answer
   x = 64,321.90