Finding the Fourth Proportional to 1,404.42, 2,106.68 and 526.83

Step by Step Solution

1. Step 1: Write the proportion equation
   1,404.42 : 2,106.68 = 526.83 : x
2. Step 2: Convert to fraction form
   1,404.42/2,106.68 = 526.83/x
3. Step 3: Cross multiply
   1,404.42x = 2,106.68 × 526.83
4. Step 4: Simplify right side
   1,404.42x = 1,109,851.69
5. Step 5: Solve for x
   x = 1,109,851.69/1,404.42
6. Step 6: Final answer
   x = 790.26