Finding the Fourth Proportional to 46,307.94, 69,453.82 and 13,020.10

Step by Step Solution

1. Step 1: Write the proportion equation
   46,307.94 : 69,453.82 = 13,020.10 : x
2. Step 2: Convert to fraction form
   46,307.94/69,453.82 = 13,020.10/x
3. Step 3: Cross multiply
   46,307.94x = 69,453.82 × 13,020.10
4. Step 4: Simplify right side
   46,307.94x = 904,295,681.78
5. Step 5: Solve for x
   x = 904,295,681.78/46,307.94
6. Step 6: Final answer
   x = 19,527.88