Finding the Fourth Proportional to 7,280.25, 10,036.56 and 6,156.69

Step by Step Solution

1. Step 1: Write the proportion equation
   7,280.25 : 10,036.56 = 6,156.69 : x
2. Step 2: Convert to fraction form
   7,280.25/10,036.56 = 6,156.69/x
3. Step 3: Cross multiply
   7,280.25x = 10,036.56 × 6,156.69
4. Step 4: Simplify right side
   7,280.25x = 61,791,988.59
5. Step 5: Solve for x
   x = 61,791,988.59/7,280.25
6. Step 6: Final answer
   x = 8,487.62