Finding the Fourth Proportional to 83,290.50, 124,948.73 and 27,117.34

Step by Step Solution

1. Step 1: Write the proportion equation
   83,290.50 : 124,948.73 = 27,117.34 : x
2. Step 2: Convert to fraction form
   83,290.50/124,948.73 = 27,117.34/x
3. Step 3: Cross multiply
   83,290.50x = 124,948.73 × 27,117.34
4. Step 4: Simplify right side
   83,290.50x = 3,388,276,949.40
5. Step 5: Solve for x
   x = 3,388,276,949.40/83,290.50
6. Step 6: Final answer
   x = 40,680.23