Finding the Fourth Proportional to 8,915.47, 12,303.62 and 4,936.51

Step by Step Solution

1. Step 1: Write the proportion equation
   8,915.47 : 12,303.62 = 4,936.51 : x
2. Step 2: Convert to fraction form
   8,915.47/12,303.62 = 4,936.51/x
3. Step 3: Cross multiply
   8,915.47x = 12,303.62 × 4,936.51
4. Step 4: Simplify right side
   8,915.47x = 60,736,943.17
5. Step 5: Solve for x
   x = 60,736,943.17/8,915.47
6. Step 6: Final answer
   x = 6,812.53