Finding the Fourth Proportional to 13,434.72, 20,152.04 and 3,574

Step by Step Solution

1. Step 1: Write the proportion equation
   13,434.72 : 20,152.04 = 3,574 : x
2. Step 2: Convert to fraction form
   13,434.72/20,152.04 = 3,574/x
3. Step 3: Cross multiply
   13,434.72x = 20,152.04 × 3,574
4. Step 4: Simplify right side
   13,434.72x = 72,023,390.96
5. Step 5: Solve for x
   x = 72,023,390.96/13,434.72
6. Step 6: Final answer
   x = 5,360.99