Finding the Fourth Proportional to 83,405.12, 115,098.72 and 47,595.56

Step by Step Solution

1. Step 1: Write the proportion equation
   83,405.12 : 115,098.72 = 47,595.56 : x
2. Step 2: Convert to fraction form
   83,405.12/115,098.72 = 47,595.56/x
3. Step 3: Cross multiply
   83,405.12x = 115,098.72 × 47,595.56
4. Step 4: Simplify right side
   83,405.12x = 5,478,188,033.68
5. Step 5: Solve for x
   x = 5,478,188,033.68/83,405.12
6. Step 6: Final answer
   x = 65,681.68