Finding the Fourth Proportional to 83,480.98, 115,186.73 and 49,474.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,480.98 : 115,186.73 = 49,474.50 : x
2. Step 2: Convert to fraction form
   83,480.98/115,186.73 = 49,474.50/x
3. Step 3: Cross multiply
   83,480.98x = 115,186.73 × 49,474.50
4. Step 4: Simplify right side
   83,480.98x = 5,698,805,873.39
5. Step 5: Solve for x
   x = 5,698,805,873.39/83,480.98
6. Step 6: Final answer
   x = 68,264.72