Finding the Fourth Proportional to 2,070.89, 3,105.35 and 753.71

Step by Step Solution

1. Step 1: Write the proportion equation
   2,070.89 : 3,105.35 = 753.71 : x
2. Step 2: Convert to fraction form
   2,070.89/3,105.35 = 753.71/x
3. Step 3: Cross multiply
   2,070.89x = 3,105.35 × 753.71
4. Step 4: Simplify right side
   2,070.89x = 2,340,533.35
5. Step 5: Solve for x
   x = 2,340,533.35/2,070.89
6. Step 6: Final answer
   x = 1,130.21