Finding the Fourth Proportional to 7,870.56, 11,798.52 and 2,672.82

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.56 : 11,798.52 = 2,672.82 : x
2. Step 2: Convert to fraction form
   7,870.56/11,798.52 = 2,672.82/x
3. Step 3: Cross multiply
   7,870.56x = 11,798.52 × 2,672.82
4. Step 4: Simplify right side
   7,870.56x = 31,535,320.23
5. Step 5: Solve for x
   x = 31,535,320.23/7,870.56
6. Step 6: Final answer
   x = 4,006.74