Finding the Fourth Proportional to 9,267.30, 12,788.78 and 5,018.36

Step by Step Solution

1. Step 1: Write the proportion equation
   9,267.30 : 12,788.78 = 5,018.36 : x
2. Step 2: Convert to fraction form
   9,267.30/12,788.78 = 5,018.36/x
3. Step 3: Cross multiply
   9,267.30x = 12,788.78 × 5,018.36
4. Step 4: Simplify right side
   9,267.30x = 64,178,702.00
5. Step 5: Solve for x
   x = 64,178,702.00/9,267.30
6. Step 6: Final answer
   x = 6,925.29