Finding the Fourth Proportional to 10,359.40, 15,529.72 and 3,784.04

Step by Step Solution

1. Step 1: Write the proportion equation
   10,359.40 : 15,529.72 = 3,784.04 : x
2. Step 2: Convert to fraction form
   10,359.40/15,529.72 = 3,784.04/x
3. Step 3: Cross multiply
   10,359.40x = 15,529.72 × 3,784.04
4. Step 4: Simplify right side
   10,359.40x = 58,765,081.67
5. Step 5: Solve for x
   x = 58,765,081.67/10,359.40
6. Step 6: Final answer
   x = 5,672.63