Finding the Fourth Proportional to 8,746.50, 12,070.89 and 5,021.22

Step by Step Solution

1. Step 1: Write the proportion equation
   8,746.50 : 12,070.89 = 5,021.22 : x
2. Step 2: Convert to fraction form
   8,746.50/12,070.89 = 5,021.22/x
3. Step 3: Cross multiply
   8,746.50x = 12,070.89 × 5,021.22
4. Step 4: Simplify right side
   8,746.50x = 60,610,594.29
5. Step 5: Solve for x
   x = 60,610,594.29/8,746.50
6. Step 6: Final answer
   x = 6,929.70