Finding the Fourth Proportional to 260,499.49, 390,744.97 and 83,004.10

Step by Step Solution

1. Step 1: Write the proportion equation
   260,499.49 : 390,744.97 = 83,004.10 : x
2. Step 2: Convert to fraction form
   260,499.49/390,744.97 = 83,004.10/x
3. Step 3: Cross multiply
   260,499.49x = 390,744.97 × 83,004.10
4. Step 4: Simplify right side
   260,499.49x = 32,433,434,564.38
5. Step 5: Solve for x
   x = 32,433,434,564.38/260,499.49
6. Step 6: Final answer
   x = 124,504.79