Finding the Fourth Proportional to 9,930.29, 13,703.89 and 5,454.13

Step by Step Solution

1. Step 1: Write the proportion equation
   9,930.29 : 13,703.89 = 5,454.13 : x
2. Step 2: Convert to fraction form
   9,930.29/13,703.89 = 5,454.13/x
3. Step 3: Cross multiply
   9,930.29x = 13,703.89 × 5,454.13
4. Step 4: Simplify right side
   9,930.29x = 74,742,701.78
5. Step 5: Solve for x
   x = 74,742,701.78/9,930.29
6. Step 6: Final answer
   x = 7,526.74