Finding the Fourth Proportional to 9,388.90, 12,956.69 and 5,852.12

Step by Step Solution

1. Step 1: Write the proportion equation
   9,388.90 : 12,956.69 = 5,852.12 : x
2. Step 2: Convert to fraction form
   9,388.90/12,956.69 = 5,852.12/x
3. Step 3: Cross multiply
   9,388.90x = 12,956.69 × 5,852.12
4. Step 4: Simplify right side
   9,388.90x = 75,824,054.53
5. Step 5: Solve for x
   x = 75,824,054.53/9,388.90
6. Step 6: Final answer
   x = 8,075.92