Finding the Fourth Proportional to 9,630.51, 13,290.35 and 5,438.76

Step by Step Solution

1. Step 1: Write the proportion equation
   9,630.51 : 13,290.35 = 5,438.76 : x
2. Step 2: Convert to fraction form
   9,630.51/13,290.35 = 5,438.76/x
3. Step 3: Cross multiply
   9,630.51x = 13,290.35 × 5,438.76
4. Step 4: Simplify right side
   9,630.51x = 72,283,023.97
5. Step 5: Solve for x
   x = 72,283,023.97/9,630.51
6. Step 6: Final answer
   x = 7,505.63