Finding the Fourth Proportional to 42,837.06, 64,185.37 and 30,334.64

Step by Step Solution

1. Step 1: Write the proportion equation
   42,837.06 : 64,185.37 = 30,334.64 : x
2. Step 2: Convert to fraction form
   42,837.06/64,185.37 = 30,334.64/x
3. Step 3: Cross multiply
   42,837.06x = 64,185.37 × 30,334.64
4. Step 4: Simplify right side
   42,837.06x = 1,947,039,695.45
5. Step 5: Solve for x
   x = 1,947,039,695.45/42,837.06
6. Step 6: Final answer
   x = 45,452.22