Finding the Fourth Proportional to 1,340.50, 2,008.52 and 948.55

Step by Step Solution

1. Step 1: Write the proportion equation
   1,340.50 : 2,008.52 = 948.55 : x
2. Step 2: Convert to fraction form
   1,340.50/2,008.52 = 948.55/x
3. Step 3: Cross multiply
   1,340.50x = 2,008.52 × 948.55
4. Step 4: Simplify right side
   1,340.50x = 1,905,192.21
5. Step 5: Solve for x
   x = 1,905,192.21/1,340.50
6. Step 6: Final answer
   x = 1,421.26