Finding the Fourth Proportional to 2,509.31, 3,761.06 and 948.32

Step by Step Solution

1. Step 1: Write the proportion equation
   2,509.31 : 3,761.06 = 948.32 : x
2. Step 2: Convert to fraction form
   2,509.31/3,761.06 = 948.32/x
3. Step 3: Cross multiply
   2,509.31x = 3,761.06 × 948.32
4. Step 4: Simplify right side
   2,509.31x = 3,566,664.87
5. Step 5: Solve for x
   x = 3,566,664.87/2,509.31
6. Step 6: Final answer
   x = 1,421.38