Finding the Fourth Proportional to 13,004.20, 19,501.69 and 4,681.98

Step by Step Solution

1. Step 1: Write the proportion equation
   13,004.20 : 19,501.69 = 4,681.98 : x
2. Step 2: Convert to fraction form
   13,004.20/19,501.69 = 4,681.98/x
3. Step 3: Cross multiply
   13,004.20x = 19,501.69 × 4,681.98
4. Step 4: Simplify right side
   13,004.20x = 91,306,499.14
5. Step 5: Solve for x
   x = 91,306,499.14/13,004.20
6. Step 6: Final answer
   x = 7,021.31