Finding the Fourth Proportional to 7,060.50, 10,591.43 and 1,866.38

Step by Step Solution

1. Step 1: Write the proportion equation
   7,060.50 : 10,591.43 = 1,866.38 : x
2. Step 2: Convert to fraction form
   7,060.50/10,591.43 = 1,866.38/x
3. Step 3: Cross multiply
   7,060.50x = 10,591.43 × 1,866.38
4. Step 4: Simplify right side
   7,060.50x = 19,767,570.83
5. Step 5: Solve for x
   x = 19,767,570.83/7,060.50
6. Step 6: Final answer
   x = 2,799.74