Finding the Fourth Proportional to 13,050.50, 19,578.63 and 4,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.50 : 19,578.63 = 4,842.50 : x
2. Step 2: Convert to fraction form
   13,050.50/19,578.63 = 4,842.50/x
3. Step 3: Cross multiply
   13,050.50x = 19,578.63 × 4,842.50
4. Step 4: Simplify right side
   13,050.50x = 94,809,515.78
5. Step 5: Solve for x
   x = 94,809,515.78/13,050.50
6. Step 6: Final answer
   x = 7,264.82