Finding the Fourth Proportional to 13,002.57, 19,501.83 and 4,237.43

Step by Step Solution

1. Step 1: Write the proportion equation
   13,002.57 : 19,501.83 = 4,237.43 : x
2. Step 2: Convert to fraction form
   13,002.57/19,501.83 = 4,237.43/x
3. Step 3: Cross multiply
   13,002.57x = 19,501.83 × 4,237.43
4. Step 4: Simplify right side
   13,002.57x = 82,637,541.99
5. Step 5: Solve for x
   x = 82,637,541.99/13,002.57
6. Step 6: Final answer
   x = 6,355.48