Finding the Fourth Proportional to 20,047.63, 30,071.57 and 5,256.41

Step by Step Solution

1. Step 1: Write the proportion equation
   20,047.63 : 30,071.57 = 5,256.41 : x
2. Step 2: Convert to fraction form
   20,047.63/30,071.57 = 5,256.41/x
3. Step 3: Cross multiply
   20,047.63x = 30,071.57 × 5,256.41
4. Step 4: Simplify right side
   20,047.63x = 158,068,550.16
5. Step 5: Solve for x
   x = 158,068,550.16/20,047.63
6. Step 6: Final answer
   x = 7,884.65