Finding the Fourth Proportional to 13,059.57, 19,591.79 and 4,300.63

Step by Step Solution

1. Step 1: Write the proportion equation
   13,059.57 : 19,591.79 = 4,300.63 : x
2. Step 2: Convert to fraction form
   13,059.57/19,591.79 = 4,300.63/x
3. Step 3: Cross multiply
   13,059.57x = 19,591.79 × 4,300.63
4. Step 4: Simplify right side
   13,059.57x = 84,257,039.83
5. Step 5: Solve for x
   x = 84,257,039.83/13,059.57
6. Step 6: Final answer
   x = 6,451.75