Finding the Fourth Proportional to 42,734.16, 64,112.22 and 30,740.16

Step by Step Solution

1. Step 1: Write the proportion equation
   42,734.16 : 64,112.22 = 30,740.16 : x
2. Step 2: Convert to fraction form
   42,734.16/64,112.22 = 30,740.16/x
3. Step 3: Cross multiply
   42,734.16x = 64,112.22 × 30,740.16
4. Step 4: Simplify right side
   42,734.16x = 1,970,819,900.76
5. Step 5: Solve for x
   x = 1,970,819,900.76/42,734.16
6. Step 6: Final answer
   x = 46,118.14