Finding the Fourth Proportional to 7,475.84, 11,118.72 and 7,328.48

Step by Step Solution

1. Step 1: Write the proportion equation
   7,475.84 : 11,118.72 = 7,328.48 : x
2. Step 2: Convert to fraction form
   7,475.84/11,118.72 = 7,328.48/x
3. Step 3: Cross multiply
   7,475.84x = 11,118.72 × 7,328.48
4. Step 4: Simplify right side
   7,475.84x = 81,483,317.15
5. Step 5: Solve for x
   x = 81,483,317.15/7,475.84
6. Step 6: Final answer
   x = 10,899.55