Finding the Fourth Proportional to 9,930.93, 13,704.15 and 5,455.29

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.93 : 13,704.15 = 5,455.29 : x
2. Step 2: Convert to fraction form
   9,930.93/13,704.15 = 5,455.29/x
3. Step 3: Cross multiply
   9,930.93x = 13,704.15 × 5,455.29
4. Step 4: Simplify right side
   9,930.93x = 74,760,112.45
5. Step 5: Solve for x
   x = 74,760,112.45/9,930.93
6. Step 6: Final answer
   x = 7,528.01