Finding the Fourth Proportional to 955,825.30, 1,431,405.15 and 456,606.10

Step by Step Solution

1. Step 1: Write the proportion equation
   955,825.30 : 1,431,405.15 = 456,606.10 : x
2. Step 2: Convert to fraction form
   955,825.30/1,431,405.15 = 456,606.10/x
3. Step 3: Cross multiply
   955,825.30x = 1,431,405.15 × 456,606.10
4. Step 4: Simplify right side
   955,825.30x = 653,588,323,061.42
5. Step 5: Solve for x
   x = 653,588,323,061.42/955,825.30
6. Step 6: Final answer
   x = 683,794.75