Finding the Fourth Proportional to 83,483.98, 115,190.86 and 49,477.50

Step by Step Solution

1. Step 1: Write the proportion equation
   83,483.98 : 115,190.86 = 49,477.50 : x
2. Step 2: Convert to fraction form
   83,483.98/115,190.86 = 49,477.50/x
3. Step 3: Cross multiply
   83,483.98x = 115,190.86 × 49,477.50
4. Step 4: Simplify right side
   83,483.98x = 5,699,355,775.65
5. Step 5: Solve for x
   x = 5,699,355,775.65/83,483.98
6. Step 6: Final answer
   x = 68,268.86