Finding the Fourth Proportional to 9,090.05, 13,632.43 and 3,542.15

Step by Step Solution

1. Step 1: Write the proportion equation
   9,090.05 : 13,632.43 = 3,542.15 : x
2. Step 2: Convert to fraction form
   9,090.05/13,632.43 = 3,542.15/x
3. Step 3: Cross multiply
   9,090.05x = 13,632.43 × 3,542.15
4. Step 4: Simplify right side
   9,090.05x = 48,288,111.92
5. Step 5: Solve for x
   x = 48,288,111.92/9,090.05
6. Step 6: Final answer
   x = 5,312.19