Finding the Fourth Proportional to 771,123.30, 1,064,148.40 and 426,976.98

Step by Step Solution

1. Step 1: Write the proportion equation
   771,123.30 : 1,064,148.40 = 426,976.98 : x
2. Step 2: Convert to fraction form
   771,123.30/1,064,148.40 = 426,976.98/x
3. Step 3: Cross multiply
   771,123.30x = 1,064,148.40 × 426,976.98
4. Step 4: Simplify right side
   771,123.30x = 454,366,870,103.83
5. Step 5: Solve for x
   x = 454,366,870,103.83/771,123.30
6. Step 6: Final answer
   x = 589,227.26