Finding the Fourth Proportional to 9,402.87, 12,975.05 and 5,625.27

Step by Step Solution

1. Step 1: Write the proportion equation
   9,402.87 : 12,975.05 = 5,625.27 : x
2. Step 2: Convert to fraction form
   9,402.87/12,975.05 = 5,625.27/x
3. Step 3: Cross multiply
   9,402.87x = 12,975.05 × 5,625.27
4. Step 4: Simplify right side
   9,402.87x = 72,988,159.51
5. Step 5: Solve for x
   x = 72,988,159.51/9,402.87
6. Step 6: Final answer
   x = 7,762.33