Finding the Fourth Proportional to 675,111.40, 1,012,071.12 and 254,682.52

Step by Step Solution

1. Step 1: Write the proportion equation
   675,111.40 : 1,012,071.12 = 254,682.52 : x
2. Step 2: Convert to fraction form
   675,111.40/1,012,071.12 = 254,682.52/x
3. Step 3: Cross multiply
   675,111.40x = 1,012,071.12 × 254,682.52
4. Step 4: Simplify right side
   675,111.40x = 257,756,823,260.82
5. Step 5: Solve for x
   x = 257,756,823,260.82/675,111.40
6. Step 6: Final answer
   x = 381,798.95