Finding the Fourth Proportional to 83,409.50, 115,105.12 and 45,683.75

Step by Step Solution

1. Step 1: Write the proportion equation
   83,409.50 : 115,105.12 = 45,683.75 : x
2. Step 2: Convert to fraction form
   83,409.50/115,105.12 = 45,683.75/x
3. Step 3: Cross multiply
   83,409.50x = 115,105.12 × 45,683.75
4. Step 4: Simplify right side
   83,409.50x = 5,258,433,699.35
5. Step 5: Solve for x
   x = 5,258,433,699.35/83,409.50
6. Step 6: Final answer
   x = 63,043.58