Finding the Fourth Proportional to 9,104.94, 12,564.72 and 5,127.30

Step by Step Solution

1. Step 1: Write the proportion equation
   9,104.94 : 12,564.72 = 5,127.30 : x
2. Step 2: Convert to fraction form
   9,104.94/12,564.72 = 5,127.30/x
3. Step 3: Cross multiply
   9,104.94x = 12,564.72 × 5,127.30
4. Step 4: Simplify right side
   9,104.94x = 64,423,088.86
5. Step 5: Solve for x
   x = 64,423,088.86/9,104.94
6. Step 6: Final answer
   x = 7,075.62