Finding the Fourth Proportional to 9,006.56, 12,428.72 and 5,027.58

Step by Step Solution

1. Step 1: Write the proportion equation
   9,006.56 : 12,428.72 = 5,027.58 : x
2. Step 2: Convert to fraction form
   9,006.56/12,428.72 = 5,027.58/x
3. Step 3: Cross multiply
   9,006.56x = 12,428.72 × 5,027.58
4. Step 4: Simplify right side
   9,006.56x = 62,486,384.10
5. Step 5: Solve for x
   x = 62,486,384.10/9,006.56
6. Step 6: Final answer
   x = 6,937.87