Finding the Fourth Proportional to 13,050.54, 18,006.93 and 7,747.11

Step by Step Solution

1. Step 1: Write the proportion equation
   13,050.54 : 18,006.93 = 7,747.11 : x
2. Step 2: Convert to fraction form
   13,050.54/18,006.93 = 7,747.11/x
3. Step 3: Cross multiply
   13,050.54x = 18,006.93 × 7,747.11
4. Step 4: Simplify right side
   13,050.54x = 139,501,667.47
5. Step 5: Solve for x
   x = 139,501,667.47/13,050.54
6. Step 6: Final answer
   x = 10,689.34