Finding the Fourth Proportional to 243,725.45, 365,483.61 and 83,817.48

Step by Step Solution

1. Step 1: Write the proportion equation
   243,725.45 : 365,483.61 = 83,817.48 : x
2. Step 2: Convert to fraction form
   243,725.45/365,483.61 = 83,817.48/x
3. Step 3: Cross multiply
   243,725.45x = 365,483.61 × 83,817.48
4. Step 4: Simplify right side
   243,725.45x = 30,633,915,171.50
5. Step 5: Solve for x
   x = 30,633,915,171.50/243,725.45
6. Step 6: Final answer
   x = 125,690.26