Finding the Fourth Proportional to 78,483.09, 117,722.03 and 34,109.90

Step by Step Solution

1. Step 1: Write the proportion equation
   78,483.09 : 117,722.03 = 34,109.90 : x
2. Step 2: Convert to fraction form
   78,483.09/117,722.03 = 34,109.90/x
3. Step 3: Cross multiply
   78,483.09x = 117,722.03 × 34,109.90
4. Step 4: Simplify right side
   78,483.09x = 4,015,485,911.94
5. Step 5: Solve for x
   x = 4,015,485,911.94/78,483.09
6. Step 6: Final answer
   x = 51,163.71