Finding the Fourth Proportional to 8,748.10, 12,071.94 and 4,970.77

Step by Step Solution

1. Step 1: Write the proportion equation
   8,748.10 : 12,071.94 = 4,970.77 : x
2. Step 2: Convert to fraction form
   8,748.10/12,071.94 = 4,970.77/x
3. Step 3: Cross multiply
   8,748.10x = 12,071.94 × 4,970.77
4. Step 4: Simplify right side
   8,748.10x = 60,006,751.98
5. Step 5: Solve for x
   x = 60,006,751.98/8,748.10
6. Step 6: Final answer
   x = 6,859.41