Finding the Fourth Proportional to 1,435.42, 2,152.90 and 510.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,435.42 : 2,152.90 = 510.83 : x
2. Step 2: Convert to fraction form
   1,435.42/2,152.90 = 510.83/x
3. Step 3: Cross multiply
   1,435.42x = 2,152.90 × 510.83
4. Step 4: Simplify right side
   1,435.42x = 1,099,771.35
5. Step 5: Solve for x
   x = 1,099,771.35/1,435.42
6. Step 6: Final answer
   x = 766.17