Finding the Fourth Proportional to 1,729.30, 2,592.15 and 948.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,729.30 : 2,592.15 = 948.10 : x
2. Step 2: Convert to fraction form
   1,729.30/2,592.15 = 948.10/x
3. Step 3: Cross multiply
   1,729.30x = 2,592.15 × 948.10
4. Step 4: Simplify right side
   1,729.30x = 2,457,617.42
5. Step 5: Solve for x
   x = 2,457,617.42/1,729.30
6. Step 6: Final answer
   x = 1,421.16