Finding the Fourth Proportional to 9,210.46, 12,710.34 and 5,018.74

Step by Step Solution

1. Step 1: Write the proportion equation
   9,210.46 : 12,710.34 = 5,018.74 : x
2. Step 2: Convert to fraction form
   9,210.46/12,710.34 = 5,018.74/x
3. Step 3: Cross multiply
   9,210.46x = 12,710.34 × 5,018.74
4. Step 4: Simplify right side
   9,210.46x = 63,789,891.77
5. Step 5: Solve for x
   x = 63,789,891.77/9,210.46
6. Step 6: Final answer
   x = 6,925.81