Finding the Fourth Proportional to 13,072.54, 19,603.62 and 4,748.02

Step by Step Solution

1. Step 1: Write the proportion equation
   13,072.54 : 19,603.62 = 4,748.02 : x
2. Step 2: Convert to fraction form
   13,072.54/19,603.62 = 4,748.02/x
3. Step 3: Cross multiply
   13,072.54x = 19,603.62 × 4,748.02
4. Step 4: Simplify right side
   13,072.54x = 93,078,379.83
5. Step 5: Solve for x
   x = 93,078,379.83/13,072.54
6. Step 6: Final answer
   x = 7,120.14