Finding the Fourth Proportional to 9,210.34, 12,710.28 and 5,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.34 : 12,710.28 = 5,018.50 : x
2. Step 2: Convert to fraction form
   9,210.34/12,710.28 = 5,018.50/x
3. Step 3: Cross multiply
   9,210.34x = 12,710.28 × 5,018.50
4. Step 4: Simplify right side
   9,210.34x = 63,786,540.18
5. Step 5: Solve for x
   x = 63,786,540.18/9,210.34
6. Step 6: Final answer
   x = 6,925.54