Finding the Fourth Proportional to 7,622.63, 10,538.48 and 5,630.03

Step by Step Solution

1. Step 1: Write the proportion equation
   7,622.63 : 10,538.48 = 5,630.03 : x
2. Step 2: Convert to fraction form
   7,622.63/10,538.48 = 5,630.03/x
3. Step 3: Cross multiply
   7,622.63x = 10,538.48 × 5,630.03
4. Step 4: Simplify right side
   7,622.63x = 59,331,958.55
5. Step 5: Solve for x
   x = 59,331,958.55/7,622.63
6. Step 6: Final answer
   x = 7,783.66