Finding the Fourth Proportional to 8,795.88, 12,130.56 and 5,438.16

Step by Step Solution

1. Step 1: Write the proportion equation
   8,795.88 : 12,130.56 = 5,438.16 : x
2. Step 2: Convert to fraction form
   8,795.88/12,130.56 = 5,438.16/x
3. Step 3: Cross multiply
   8,795.88x = 12,130.56 × 5,438.16
4. Step 4: Simplify right side
   8,795.88x = 65,967,926.17
5. Step 5: Solve for x
   x = 65,967,926.17/8,795.88
6. Step 6: Final answer
   x = 7,499.87