Finding the Fourth Proportional to 9,703.76, 13,392.61 and 5,455.17

Step by Step Solution

1. Step 1: Write the proportion equation
   9,703.76 : 13,392.61 = 5,455.17 : x
2. Step 2: Convert to fraction form
   9,703.76/13,392.61 = 5,455.17/x
3. Step 3: Cross multiply
   9,703.76x = 13,392.61 × 5,455.17
4. Step 4: Simplify right side
   9,703.76x = 73,059,000.88
5. Step 5: Solve for x
   x = 73,059,000.88/9,703.76
6. Step 6: Final answer
   x = 7,528.94