Finding the Fourth Proportional to 9,930.15, 13,703.69 and 5,454.32

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.15 : 13,703.69 = 5,454.32 : x
2. Step 2: Convert to fraction form
   9,930.15/13,703.69 = 5,454.32/x
3. Step 3: Cross multiply
   9,930.15x = 13,703.69 × 5,454.32
4. Step 4: Simplify right side
   9,930.15x = 74,744,255.56
5. Step 5: Solve for x
   x = 74,744,255.56/9,930.15
6. Step 6: Final answer
   x = 7,527.00