Finding the Fourth Proportional to 46,849.52, 64,679.06 and 30,980

Step by Step Solution

1. Step 1: Write the proportion equation
   46,849.52 : 64,679.06 = 30,980 : x
2. Step 2: Convert to fraction form
   46,849.52/64,679.06 = 30,980/x
3. Step 3: Cross multiply
   46,849.52x = 64,679.06 × 30,980
4. Step 4: Simplify right side
   46,849.52x = 2,003,757,278.80
5. Step 5: Solve for x
   x = 2,003,757,278.80/46,849.52
6. Step 6: Final answer
   x = 42,770.07