Finding the Fourth Proportional to 82,398.72, 123,489.88 and 46,876.32

Step by Step Solution

1. Step 1: Write the proportion equation
   82,398.72 : 123,489.88 = 46,876.32 : x
2. Step 2: Convert to fraction form
   82,398.72/123,489.88 = 46,876.32/x
3. Step 3: Cross multiply
   82,398.72x = 123,489.88 × 46,876.32
4. Step 4: Simplify right side
   82,398.72x = 5,788,751,131.64
5. Step 5: Solve for x
   x = 5,788,751,131.64/82,398.72
6. Step 6: Final answer
   x = 70,252.93