Finding the Fourth Proportional to 7,187.72, 9,925.30 and 5,302.58

Step by Step Solution

1. Step 1: Write the proportion equation
   7,187.72 : 9,925.30 = 5,302.58 : x
2. Step 2: Convert to fraction form
   7,187.72/9,925.30 = 5,302.58/x
3. Step 3: Cross multiply
   7,187.72x = 9,925.30 × 5,302.58
4. Step 4: Simplify right side
   7,187.72x = 52,629,697.27
5. Step 5: Solve for x
   x = 52,629,697.27/7,187.72
6. Step 6: Final answer
   x = 7,322.17