Finding the Fourth Proportional to 9,288.89, 12,818.63 and 5,039.95

Step by Step Solution

1. Step 1: Write the proportion equation
   9,288.89 : 12,818.63 = 5,039.95 : x
2. Step 2: Convert to fraction form
   9,288.89/12,818.63 = 5,039.95/x
3. Step 3: Cross multiply
   9,288.89x = 12,818.63 × 5,039.95
4. Step 4: Simplify right side
   9,288.89x = 64,605,254.27
5. Step 5: Solve for x
   x = 64,605,254.27/9,288.89
6. Step 6: Final answer
   x = 6,955.11