Finding the Fourth Proportional to 8,746.80, 12,071.88 and 4,970.34

Step by Step Solution

1. Step 1: Write the proportion equation
   8,746.80 : 12,071.88 = 4,970.34 : x
2. Step 2: Convert to fraction form
   8,746.80/12,071.88 = 4,970.34/x
3. Step 3: Cross multiply
   8,746.80x = 12,071.88 × 4,970.34
4. Step 4: Simplify right side
   8,746.80x = 60,001,348.04
5. Step 5: Solve for x
   x = 60,001,348.04/8,746.80
6. Step 6: Final answer
   x = 6,859.81