Finding the Fourth Proportional to 3,748.50, 5,173.11 and 2,070.15

Step by Step Solution

1. Step 1: Write the proportion equation
   3,748.50 : 5,173.11 = 2,070.15 : x
2. Step 2: Convert to fraction form
   3,748.50/5,173.11 = 2,070.15/x
3. Step 3: Cross multiply
   3,748.50x = 5,173.11 × 2,070.15
4. Step 4: Simplify right side
   3,748.50x = 10,709,113.67
5. Step 5: Solve for x
   x = 10,709,113.67/3,748.50
6. Step 6: Final answer
   x = 2,856.91