Finding the Fourth Proportional to 9,956.45, 14,921.69 and 5,023.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,956.45 : 14,921.69 = 5,023.40 : x
2. Step 2: Convert to fraction form
   9,956.45/14,921.69 = 5,023.40/x
3. Step 3: Cross multiply
   9,956.45x = 14,921.69 × 5,023.40
4. Step 4: Simplify right side
   9,956.45x = 74,957,517.82
5. Step 5: Solve for x
   x = 74,957,517.82/9,956.45
6. Step 6: Final answer
   x = 7,528.54