Finding the Fourth Proportional to 9,303.78, 12,838.95 and 5,112.03

Step by Step Solution

1. Step 1: Write the proportion equation
   9,303.78 : 12,838.95 = 5,112.03 : x
2. Step 2: Convert to fraction form
   9,303.78/12,838.95 = 5,112.03/x
3. Step 3: Cross multiply
   9,303.78x = 12,838.95 × 5,112.03
4. Step 4: Simplify right side
   9,303.78x = 65,633,097.57
5. Step 5: Solve for x
   x = 65,633,097.57/9,303.78
6. Step 6: Final answer
   x = 7,054.46