Finding the Fourth Proportional to 13,074.47, 19,605.55 and 4,748.60

Step by Step Solution

1. Step 1: Write the proportion equation
   13,074.47 : 19,605.55 = 4,748.60 : x
2. Step 2: Convert to fraction form
   13,074.47/19,605.55 = 4,748.60/x
3. Step 3: Cross multiply
   13,074.47x = 19,605.55 × 4,748.60
4. Step 4: Simplify right side
   13,074.47x = 93,098,914.73
5. Step 5: Solve for x
   x = 93,098,914.73/13,074.47
6. Step 6: Final answer
   x = 7,120.66