Finding the Fourth Proportional to 76,269.24, 105,189.15 and 53,683

Step by Step Solution

1. Step 1: Write the proportion equation
   76,269.24 : 105,189.15 = 53,683 : x
2. Step 2: Convert to fraction form
   76,269.24/105,189.15 = 53,683/x
3. Step 3: Cross multiply
   76,269.24x = 105,189.15 × 53,683
4. Step 4: Simplify right side
   76,269.24x = 5,646,869,139.45
5. Step 5: Solve for x
   x = 5,646,869,139.45/76,269.24
6. Step 6: Final answer
   x = 74,038.62