Finding the Fourth Proportional to 9,926.59, 13,698.91 and 5,450.63

Step by Step Solution

1. Step 1: Write the proportion equation
   9,926.59 : 13,698.91 = 5,450.63 : x
2. Step 2: Convert to fraction form
   9,926.59/13,698.91 = 5,450.63/x
3. Step 3: Cross multiply
   9,926.59x = 13,698.91 × 5,450.63
4. Step 4: Simplify right side
   9,926.59x = 74,667,639.34
5. Step 5: Solve for x
   x = 74,667,639.34/9,926.59
6. Step 6: Final answer
   x = 7,521.98