Finding the Fourth Proportional to 9,030.28, 12,462.82 and 5,052.40

Step by Step Solution

1. Step 1: Write the proportion equation
   9,030.28 : 12,462.82 = 5,052.40 : x
2. Step 2: Convert to fraction form
   9,030.28/12,462.82 = 5,052.40/x
3. Step 3: Cross multiply
   9,030.28x = 12,462.82 × 5,052.40
4. Step 4: Simplify right side
   9,030.28x = 62,967,151.77
5. Step 5: Solve for x
   x = 62,967,151.77/9,030.28
6. Step 6: Final answer
   x = 6,972.89