Finding the Fourth Proportional to 1,622.42, 2,433.72 and 526.82

Step by Step Solution

1. Step 1: Write the proportion equation
   1,622.42 : 2,433.72 = 526.82 : x
2. Step 2: Convert to fraction form
   1,622.42/2,433.72 = 526.82/x
3. Step 3: Cross multiply
   1,622.42x = 2,433.72 × 526.82
4. Step 4: Simplify right side
   1,622.42x = 1,282,132.37
5. Step 5: Solve for x
   x = 1,282,132.37/1,622.42
6. Step 6: Final answer
   x = 790.26