Finding the Fourth Proportional to 83,435.06, 115,145.25 and 47,636.30

Step by Step Solution

1. Step 1: Write the proportion equation
   83,435.06 : 115,145.25 = 47,636.30 : x
2. Step 2: Convert to fraction form
   83,435.06/115,145.25 = 47,636.30/x
3. Step 3: Cross multiply
   83,435.06x = 115,145.25 × 47,636.30
4. Step 4: Simplify right side
   83,435.06x = 5,485,093,781.80
5. Step 5: Solve for x
   x = 5,485,093,781.80/83,435.06
6. Step 6: Final answer
   x = 65,740.87