Finding the Fourth Proportional to 83,860.35, 115,729.40 and 45,622.05

Step by Step Solution

1. Step 1: Write the proportion equation
   83,860.35 : 115,729.40 = 45,622.05 : x
2. Step 2: Convert to fraction form
   83,860.35/115,729.40 = 45,622.05/x
3. Step 3: Cross multiply
   83,860.35x = 115,729.40 × 45,622.05
4. Step 4: Simplify right side
   83,860.35x = 5,279,812,245.16
5. Step 5: Solve for x
   x = 5,279,812,245.16/83,860.35
6. Step 6: Final answer
   x = 62,959.58