Finding the Fourth Proportional to 1,405,860.50, 1,940,096.72 and 761,280.74

Step by Step Solution

1. Step 1: Write the proportion equation
   1,405,860.50 : 1,940,096.72 = 761,280.74 : x
2. Step 2: Convert to fraction form
   1,405,860.50/1,940,096.72 = 761,280.74/x
3. Step 3: Cross multiply
   1,405,860.50x = 1,940,096.72 × 761,280.74
4. Step 4: Simplify right side
   1,405,860.50x = 1,476,958,266,673.17
5. Step 5: Solve for x
   x = 1,476,958,266,673.17/1,405,860.50
6. Step 6: Final answer
   x = 1,050,572.42