Finding the Fourth Proportional to 33,978.51, 50,970.42 and 9,018

Step by Step Solution

1. Step 1: Write the proportion equation
   33,978.51 : 50,970.42 = 9,018 : x
2. Step 2: Convert to fraction form
   33,978.51/50,970.42 = 9,018/x
3. Step 3: Cross multiply
   33,978.51x = 50,970.42 × 9,018
4. Step 4: Simplify right side
   33,978.51x = 459,651,247.56
5. Step 5: Solve for x
   x = 459,651,247.56/33,978.51
6. Step 6: Final answer
   x = 13,527.70