Finding the Fourth Proportional to 6,070.32, 9,105.52 and 1,911.20

Step by Step Solution

1. Step 1: Write the proportion equation
   6,070.32 : 9,105.52 = 1,911.20 : x
2. Step 2: Convert to fraction form
   6,070.32/9,105.52 = 1,911.20/x
3. Step 3: Cross multiply
   6,070.32x = 9,105.52 × 1,911.20
4. Step 4: Simplify right side
   6,070.32x = 17,402,469.82
5. Step 5: Solve for x
   x = 17,402,469.82/6,070.32
6. Step 6: Final answer
   x = 2,866.81