Finding the Fourth Proportional to 12,348.06, 18,522.01 and 4,947.22

Step by Step Solution

1. Step 1: Write the proportion equation
   12,348.06 : 18,522.01 = 4,947.22 : x
2. Step 2: Convert to fraction form
   12,348.06/18,522.01 = 4,947.22/x
3. Step 3: Cross multiply
   12,348.06x = 18,522.01 × 4,947.22
4. Step 4: Simplify right side
   12,348.06x = 91,632,458.31
5. Step 5: Solve for x
   x = 91,632,458.31/12,348.06
6. Step 6: Final answer
   x = 7,420.80