Finding the Fourth Proportional to 83,485.30, 115,209.46 and 45,245.94

Step by Step Solution

1. Step 1: Write the proportion equation
   83,485.30 : 115,209.46 = 45,245.94 : x
2. Step 2: Convert to fraction form
   83,485.30/115,209.46 = 45,245.94/x
3. Step 3: Cross multiply
   83,485.30x = 115,209.46 × 45,245.94
4. Step 4: Simplify right side
   83,485.30x = 5,212,760,314.59
5. Step 5: Solve for x
   x = 5,212,760,314.59/83,485.30
6. Step 6: Final answer
   x = 62,439.26