Finding the Fourth Proportional to 82,460.63, 123,727.85 and 47,400.29

Step by Step Solution

1. Step 1: Write the proportion equation
   82,460.63 : 123,727.85 = 47,400.29 : x
2. Step 2: Convert to fraction form
   82,460.63/123,727.85 = 47,400.29/x
3. Step 3: Cross multiply
   82,460.63x = 123,727.85 × 47,400.29
4. Step 4: Simplify right side
   82,460.63x = 5,864,736,023.79
5. Step 5: Solve for x
   x = 5,864,736,023.79/82,460.63
6. Step 6: Final answer
   x = 71,121.65