Finding the Fourth Proportional to 8,914.51, 12,301.17 and 5,328.75

Step by Step Solution

1. Step 1: Write the proportion equation
   8,914.51 : 12,301.17 = 5,328.75 : x
2. Step 2: Convert to fraction form
   8,914.51/12,301.17 = 5,328.75/x
3. Step 3: Cross multiply
   8,914.51x = 12,301.17 × 5,328.75
4. Step 4: Simplify right side
   8,914.51x = 65,549,885.78
5. Step 5: Solve for x
   x = 65,549,885.78/8,914.51
6. Step 6: Final answer
   x = 7,353.17