Finding the Fourth Proportional to 13,045.84, 19,572.20 and 3,685.88

Step by Step Solution

1. Step 1: Write the proportion equation
   13,045.84 : 19,572.20 = 3,685.88 : x
2. Step 2: Convert to fraction form
   13,045.84/19,572.20 = 3,685.88/x
3. Step 3: Cross multiply
   13,045.84x = 19,572.20 × 3,685.88
4. Step 4: Simplify right side
   13,045.84x = 72,140,780.54
5. Step 5: Solve for x
   x = 72,140,780.54/13,045.84
6. Step 6: Final answer
   x = 5,529.79