Finding the Fourth Proportional to 35,978.62, 49,684.72 and 34,015.18

Step by Step Solution

1. Step 1: Write the proportion equation
   35,978.62 : 49,684.72 = 34,015.18 : x
2. Step 2: Convert to fraction form
   35,978.62/49,684.72 = 34,015.18/x
3. Step 3: Cross multiply
   35,978.62x = 49,684.72 × 34,015.18
4. Step 4: Simplify right side
   35,978.62x = 1,690,034,694.05
5. Step 5: Solve for x
   x = 1,690,034,694.05/35,978.62
6. Step 6: Final answer
   x = 46,973.31