Finding the Fourth Proportional to 9,210.25, 12,710.15 and 5,018.50

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.25 : 12,710.15 = 5,018.50 : x
2. Step 2: Convert to fraction form
   9,210.25/12,710.15 = 5,018.50/x
3. Step 3: Cross multiply
   9,210.25x = 12,710.15 × 5,018.50
4. Step 4: Simplify right side
   9,210.25x = 63,785,887.78
5. Step 5: Solve for x
   x = 63,785,887.78/9,210.25
6. Step 6: Final answer
   x = 6,925.53