Finding the Fourth Proportional to 920,506.46, 1,269,644.56 and 614,428.52

Step by Step Solution

1. Step 1: Write the proportion equation
   920,506.46 : 1,269,644.56 = 614,428.52 : x
2. Step 2: Convert to fraction form
   920,506.46/1,269,644.56 = 614,428.52/x
3. Step 3: Cross multiply
   920,506.46x = 1,269,644.56 × 614,428.52
4. Step 4: Simplify right side
   920,506.46x = 780,105,820,042.56
5. Step 5: Solve for x
   x = 780,105,820,042.56/920,506.46
6. Step 6: Final answer
   x = 847,474.58