Finding the Fourth Proportional to 956,978.65, 1,435,468 and 283,007.46

Step by Step Solution

1. Step 1: Write the proportion equation
   956,978.65 : 1,435,468 = 283,007.46 : x
2. Step 2: Convert to fraction form
   956,978.65/1,435,468 = 283,007.46/x
3. Step 3: Cross multiply
   956,978.65x = 1,435,468 × 283,007.46
4. Step 4: Simplify right side
   956,978.65x = 406,248,152,591.28
5. Step 5: Solve for x
   x = 406,248,152,591.28/956,978.65
6. Step 6: Final answer
   x = 424,511.20