Finding the Fourth Proportional to 8,849.34, 12,211.77 and 4,870.74

Step by Step Solution

1. Step 1: Write the proportion equation
   8,849.34 : 12,211.77 = 4,870.74 : x
2. Step 2: Convert to fraction form
   8,849.34/12,211.77 = 4,870.74/x
3. Step 3: Cross multiply
   8,849.34x = 12,211.77 × 4,870.74
4. Step 4: Simplify right side
   8,849.34x = 59,480,356.61
5. Step 5: Solve for x
   x = 59,480,356.61/8,849.34
6. Step 6: Final answer
   x = 6,721.45