Finding the Fourth Proportional to 7,870.28, 11,804.42 and 3,973

Step by Step Solution

1. Step 1: Write the proportion equation
   7,870.28 : 11,804.42 = 3,973 : x
2. Step 2: Convert to fraction form
   7,870.28/11,804.42 = 3,973/x
3. Step 3: Cross multiply
   7,870.28x = 11,804.42 × 3,973
4. Step 4: Simplify right side
   7,870.28x = 46,898,960.66
5. Step 5: Solve for x
   x = 46,898,960.66/7,870.28
6. Step 6: Final answer
   x = 5,959.00