Finding the Fourth Proportional to 83,290, 124,935.12 and 34,042

Step by Step Solution

1. Step 1: Write the proportion equation
   83,290 : 124,935.12 = 34,042 : x
2. Step 2: Convert to fraction form
   83,290/124,935.12 = 34,042/x
3. Step 3: Cross multiply
   83,290x = 124,935.12 × 34,042
4. Step 4: Simplify right side
   83,290x = 4,253,041,355.04
5. Step 5: Solve for x
   x = 4,253,041,355.04/83,290
6. Step 6: Final answer
   x = 51,063.05