Finding the Fourth Proportional to 83,706.75, 115,515.32 and 45,981

Step by Step Solution

1. Step 1: Write the proportion equation
   83,706.75 : 115,515.32 = 45,981 : x
2. Step 2: Convert to fraction form
   83,706.75/115,515.32 = 45,981/x
3. Step 3: Cross multiply
   83,706.75x = 115,515.32 × 45,981
4. Step 4: Simplify right side
   83,706.75x = 5,311,509,699.02
5. Step 5: Solve for x
   x = 5,311,509,699.02/83,706.75
6. Step 6: Final answer
   x = 63,453.78