Finding the Fourth Proportional to 1,302.00, 1,948.34 and 1,215.10

Step by Step Solution

1. Step 1: Write the proportion equation
   1,302.00 : 1,948.34 = 1,215.10 : x
2. Step 2: Convert to fraction form
   1,302.00/1,948.34 = 1,215.10/x
3. Step 3: Cross multiply
   1,302.00x = 1,948.34 × 1,215.10
4. Step 4: Simplify right side
   1,302.00x = 2,367,421.86
5. Step 5: Solve for x
   x = 2,367,421.86/1,302.00
6. Step 6: Final answer
   x = 1,818.30