Finding the Fourth Proportional to 83,757.80, 115,586.88 and 45,518.10

Step by Step Solution

1. Step 1: Write the proportion equation
   83,757.80 : 115,586.88 = 45,518.10 : x
2. Step 2: Convert to fraction form
   83,757.80/115,586.88 = 45,518.10/x
3. Step 3: Cross multiply
   83,757.80x = 115,586.88 × 45,518.10
4. Step 4: Simplify right side
   83,757.80x = 5,261,295,162.53
5. Step 5: Solve for x
   x = 5,261,295,162.53/83,757.80
6. Step 6: Final answer
   x = 62,815.58