Finding the Fourth Proportional to 9,362.45, 12,920.00 and 5,113.35

Step by Step Solution

1. Step 1: Write the proportion equation
   9,362.45 : 12,920.00 = 5,113.35 : x
2. Step 2: Convert to fraction form
   9,362.45/12,920.00 = 5,113.35/x
3. Step 3: Cross multiply
   9,362.45x = 12,920.00 × 5,113.35
4. Step 4: Simplify right side
   9,362.45x = 66,064,456.43
5. Step 5: Solve for x
   x = 66,064,456.43/9,362.45
6. Step 6: Final answer
   x = 7,056.32