Finding the Fourth Proportional to 260,499.48, 390,744.98 and 83,004.10

Step by Step Solution

1. Step 1: Write the proportion equation
   260,499.48 : 390,744.98 = 83,004.10 : x
2. Step 2: Convert to fraction form
   260,499.48/390,744.98 = 83,004.10/x
3. Step 3: Cross multiply
   260,499.48x = 390,744.98 × 83,004.10
4. Step 4: Simplify right side
   260,499.48x = 32,433,435,394.42
5. Step 5: Solve for x
   x = 32,433,435,394.42/260,499.48
6. Step 6: Final answer
   x = 124,504.80